Research progress on the mechanism of ocular damage caused by blue light / 国际眼科杂志(Guoji Yanke Zazhi)

With the development of high technology, people spend more and more time on screens. Most screens contain a lot of blue light. As one of the important components of visible light, blue light has high energy. It may lead to many ocular diseases, such as myopia, cataract, dry eye, glaucoma and keratitis when eyes exposure to blue light for a long time. At present, the harm of blue light and how to prevent blue light have become a hot topic. Its mechanism mainly includes increasing the photosensitivity of lipofuscin, destroying the mitochondria, lysosome, lens and tear film. According to the mechanism of blue light damage, physical protective measures can be adopted. And the antioxidant, free radical scavengers, anti-inflammatory drugs and gene therapy can be used to protect eye tissue. This paper mainly summarizes the harmful mechanism of blue light to eye and the corresponding prevention and treatment measures.

Clinical treatment and observation of the endophthalmitis caused by Bacillus cereus / 国际眼科杂志(Guoji Yanke Zazhi)

AIM: To analyze the clinical characteristics and antibiotic sensitivity of traumatic endophthalmitis caused by Bacillus cereus and discuss the early diagnosis and treatment measures.METHODS: The data of 15 patients(15 eyes)with Bacillus cereus endophthalmitis admitted to the Eye Trauma Center of Shaanxi Provincial Eye Hospital from January 2019 to December 2021 were collected. The injury time, injury condition, preoperative visual acuity, corrected visual acuity in the last follow-up, operation method, bacterial culture and drug sensitivity test results were recorded.RESULTS: Among the 15 patients(15 eyes), 5 eyes with simple corneal perforating wound were treated with wound debridement and suture combined with intraocular antibiotic injection. And another 10 eyes with penetrating injuries combined with traumatic cataract and intraocular foreign bodies were treated with debridement, cataract extraction, removal of intraocular foreign bodies, vitrectomy combined with silicone oil tamponade and intraocular antibiotic injection. Among the 15 patients, 11 patients(73%)were treated effectively and the eyeball was preserved, and 4 patients(27%)were treated ineffectively and ocular evisceration was performed. Among the 11 patients with eyeball retention, 1(9%)had decreased vision, 1(9%)had unchanged vision, 4(36%)had improved vision by 1 level, and 5(45%)had improved vision by 2 levels, and the postoperative visual acuity was significantly improved. Correlation analysis showed that the course of disease was negatively correlated with corrected visual acuity(rs=-0.762, P=0.001). The cultures of vitreous humor and aqueous humor samples of patients were all grown in Bacillus cereus, and susceptibility tests were sensitive to vancomycin.CONCLUSIONS: Vancomycin is an effective drug for the treatment of Bacillus cereus endophthalmitis. Vitrectomy combined with silicone oil tamponade and intravitreal injection of vancomycin are effective method for the treatment of Bacillus cereus endophthalmitis.

Analysis of ocular emergencies in a reference eye center in Brazil / Análise das emergências oculares em um centro de referência oftalmológica no Brasil

ABSTRACT Purpose: To determine the incidence of ocular emergencies and patient profiles in a public health eye center in Brazil. Methods: The medical record database of the Fundação Altino Ventura, Recife, Brazil was retrospectively analyzed and included all patients assisted at the ophthalmic emergency room between January 2017 and January 2018. Medical records with incomplete data and outpatient complaints were excluded. For records with multiple visits, only the initial visit was considered. Results: In 1 year, 134,788 patients (mean age at admission: 38.7 ± 22 years; range: 0-99 years) were admitted at the emergency room of the Fundação Altino Ventura. The most frequent diagnoses were conjunctivitis (52,732 cases; 37.3%), blepharitis (7,213 cases; 5.1%), and corneal/conjunctival foreign body (6,925 cases; 4.9%). Corneal/conjunctival foreign body and ocular trauma had an eight- and two-fold higher incidence in male patients, respectively (both p<0.001). Female patients presented a two-fold higher incidence of trichiasis and blepharitis than males (p<0.001). Corneal/conjunctival foreign body and ocular trauma affected more patients in a productive age (>15 years), while corneal ulcers, blepharitis, and trichiasis affected more elderly patients. All diagnostic clusters (e.g., infectious diseases, ocular trauma, foreign bodies, retinopathies, eyelid disorders, corneal diseases, glaucomatous crisis, and neuroophthalmological diseases) were more common during the spring season (p<0.001). Conclusion: The most common ocular emergencies in the present study were infectious diseases and foreign body. However, the incidence of ophthalmological emergencies was influenced by the age and sex of patients, as well as the time of the year.

RESUMO Objetivo: Determinar a incidência de emergências oculares em um centro oftalmológico de referência no Brasil. Métodos: O banco de dados de prontuários da Fundação Altino Ventura, Recife, Brasil, foi analisado retrospectivamente e incluiu pacientes atendidos, entre janeiro de 2017 e janeiro de 2018, na sala de emergência oftalmológica. Foram excluídos os prontuários com dados incompletos e com quadros ambulatoriais. Apenas o primeiro atendimento na emergência foi considerado para análise. Resultados: Em um ano, 134.788 pacientes (idade média de 38,7 ± 22 anos [0-99 anos]) foram admitidos na emergência da Fundação Altino Ventura. Os diagnósticos mais frequentes foram conjuntivite (52.732 casos [37,3%]), blefarite (7.213 casos [5,1%]) e corpo estranho na córnea/conjuntiva (6.925 casos [4,9%]). Corpo estranho na córnea/conjuntiva e trauma ocular foram cerca de 8 vezes e 2 vezes mais incidente em indivíduos do sexo masculino, respectivamente (p<0,001 em ambos). Triquíase e blefarite afetaram ~2 vezes mais pacientes do sexo feminino, respectivamente (p<0,001 em ambos). Corpo estranho na córnea/conjuntiva e trauma ocular afetaram mais pacientes em idade produtiva (>15 anos), enquanto úlcera, blefarite e triquíase da córnea afetaram mais pacientes idosos. Todos os grupamentos de diagnóstico (doenças infecciosas, trauma ocular, corpos estranhos, retinopatias, doenças das pálpebras, doenças da córnea, crise glaucomatosa e doenças neurooftalmológicas) foram mais incidentes na primavera (valor de p<0,001). Conclusão: As emergências oftalmológicas mais comuns no presente estudo foram as doenças infecciosas e o corpo estranho. Porém, a incidência das emergências oculares são fluências pela faixa etária e gênero do paciente, além da época do ano.

Mushroom keratoplasty and contact lens application: Strategy for management of a pediatric eye injury

We show the challenging visual rehabilitation of a penetrating eye injury in a child with wide central corneal scar and aphakia. A 9-year-old male patient underwent combined surgery, including membranectomy with pupilloplasty and mushroom penetrating keratoplasty. Corneal transparency was restored; aphakia and irregular astigmatism were corrected first with a rigid gas-permeable contact lens (CL) and then, successfully, with hybrid CL. We discuss the surgical treatment used to restore corneal transparency and the choice of the best CL to overcome irregular astigmatism and aphakia.

Eye injury after non-ocular surgery in patients underwent general anesthesia:A report of 2 cases and literature review / 吉林大学学报(医学版)

Objective:To study the pathogenesis and the risk factors of eye injury after non-ocular surgery in the patients underwent general anesthesia, and to provide the reference for its prevention, diagnosis and treatment.Methods:The clinical materials of two patients with eye injury after non-ocular surgery underwent general anesthesia were analyzed and the related literatures were reviewed.Results:A young woman patient underwent laparoscopic hysterectomy with general anesthesia while positioned Trendelenburg, the eyes were being closed naturally without protection, and corneal abrasion of both eyes occurred after operation.The lesion had completely resolved with no sequelae after treatment.An old man underwent cervical posterior laminoplasty with general anesthesia in prone position developed ischemic optic neuropathy (ION) after operation.The vision of the patients partly recovered after symptomatic treatment.Conclusion:Corneal abrasion is the most frequent ophthalmologic complication during general anesthesia, most of the patients have good prognosis.Postoperative visual loss (POVL) is the most severe ophthalmologic complication without effective treatment available, the delicate reasons and mechanisms are not totally clear, prevention outweighs treatment.

Eye injury after non-ocular surgery in patients underwent general anesthesia: A report of 2 cases and literature review / 吉林大学学报(医学版)

Objective: To study the pathogenesis and the risk factors of eye injury after non-ocular surgery in the patients underwent general anesthesia∗ and to provide the reference for its prevention, diagnosis and treatment. Methods: The clinical materials of two patients with eye injury after non-ocular surgery underwent general anesthesia were analyzed and the related literatures were reviewed. Results: A young woman patient underwent laparoscopic hysterectomy with general anesthesia while positioned Trendelenburg, the eyes were being closed naturally without protection, and corneal abrasion of both eyes occurred after operation. The lesion had completely resolved with no sequelae after treatment. An old man underwent cervical posterior laminoplasty with general anesthesia in prone position developed ischemic optic neuropathy (ION) after operation. The vision of the patients partly recovered after symptomatic treatment. Conclusion: Corneal abrasion is the most frequent ophthalmologic complication during general anesthesia, most of the patients have good prognosis. Postoperative visual loss (POVL) is the most severe ophthalmologic complication without effective treatment available, the delicate reasons and mechanisms are not totally clear, prevention outweighs treatment.

Clinical analysis of eye injury of soldiers in plateau areas / 第二军医大学学报

Objective: To explore the clinical characteristics, treatment and prognosis of eye injury of soldiers in Tibet, so as to propose suggestions for treatment improvement. Methods: The clinical data of soldiers with eye injury admitted to 6 hospitals serving soldiers in Tibet from Jan. 1, 2011 to Dec. 31, 2017 were collected, including demographic information, cause of injury, time for medical treatment, and visual acuity at admission and at discharge. Then the mentioned data were compared with the data of soldiers with eye injury admitted to other military hospitals. Results: In total, 112 cases (116 eyes) were involved, including 110 males and 2 females. Among them, 111 cases (114 eyes) had mechanical globe injury accounting for 99.11% (98.28%), 55 cases (49.11%) had training injury, 35 cases (31.25%) had injury in spare time, and 22 cases (19.64%) had injury at worksite. Thirty-nine cases (34.82%) arrived at the central hospital or general hospital for treatment after 3 days of injury. The 24-h visit rate (41.07%, 46/112) was significantly lower than those reported by General Hospital of Jinan Military Command of PLA (82.37%, 271/329) and overall troops of full training (89.73%, 131/146) (both P = 0.01). The visual acuity of 70 eyes restored better visual sight at discharge versus at admission, accounting for 76.09% of the 92 eyes with sight recording. Totally 35.87% of eyes (33/92) had poor sight or single eye blindness. The incidence rates of poor sight (29.35% [27/92]) and single eye blindness (6.52% [6/92]) were significantly higher than the data reported by General Hospital of Jinan Military Command of PLA (8.03% [31/386] and 2.07% [8/386]) and overall troops of full training (6.16% [9/146] and 0.68% [1/146]) (all P < 0.05). The incidence of single eye blindness was significantly lower and the incidence of poor sight was significantly higher than the data reported by 15 grade three military hospitals (15.28% [118/772] and 10.23% [79/772]) (both P < 0.05). Conclusion: Mechanical injury is the main cause of eye injury in soldiers in Tibet. Eye injury in training has the highest incidence, which may be related to hypoxia at high altitude. More injured eyes are of poor sight or single eye blindness. It is necessary to strengthen treatment capacity of eye injuries and evacuation capacity of military hospitals in Tibet.

Unrecognized intraorbital wooden foreign body

Intraorbital wooden foreign bodies may present difficulties in diagnosis due to their radiolucent nature. Delayed recognition and management can cause significant complications. We present a case report that demonstrates these problems and the sequela that can follow. A 56-year-old man presented with a 3-cm laceration in the right upper eyelid, sustained by a slipping accident. After computed tomography (CT) scanning and ophthalmology consultation, which revealed no fractures and suggested only pneumophthalmos, the wound was repaired by a plastic surgery resident. Ten days later, the patient’s eyelid displayed signs of infection including pus discharge. Antibiotics and revisional repair failed to solve the infection. Nearly 2 months after the initial repair, a CT scan revealed a large wooden fragment in the superomedial orbit. Surgical exploration successfully removed the foreign body and inflamed pocket, and the patient healed uneventfully. However, the prolonged intraorbital infection had caused irreversible damage to the superior rectus muscle, with upgaze diplopia persisting 1 year after surgery and only minimal muscle function remaining. We report this case to warn clinicians of the difficulties in early diagnosis of intraorbital wooden foreign bodies and the grave prognosis of delayed management.

Profile of pediatric eye trauma at Hospital de Base do Distrito Federal (HBDF), Brasília, Brazil / Perfil do trauma ocular pediátrico no Hospital de Base do Distrito Federal (HBDF), Brasília, Brasil

Summary Objective: To describe the epidemiological profile of ocular trauma in children at the HBDF emergency department. Method: Descriptive, cross-sectional study. We evaluated 103 cases of ocular trauma in children less than 15 years between July 2012 and January 2013. The factors evaluated through semi-structured questionnaire available online were: age, gender, adult supervision, mechanism, type of trauma, time and place, site and nature of injury, visual acuity, need for hospitalization and/or surgery, type of surgery, mother’s level of education, and family income. Results: The average age of patients studied was 7.5 years. Boys (68%) predominate in all age groups. Blunt trauma prevailed (55.3%), followed by open (20%). Most of the cases occurred at home, 14 to 20 hours before seeking hospital care. The most common causes were: wood, stone, bicycle, broken glass, and falls. The cornea was affected in 54%. Visual acuity was ≥20/40 in 68.9%. Primary repair of the eye wall was indicated in 70.37% (p-value=0.022). Open traumas were more severe (p-value=0.005) and had more need for intervention (p-value=0.000). The injuries occurred despite the presence of adult supervision in 54% (p-value=0.002). The most severe injuries predominated in the age range 7-15 years (p=0.001). Conclusion: Ocular trauma was more frequent among boys. The mechanisms of injury are the most diverse, and prevail at home. Blunt trauma prevails, but the visual impact is due to open trauma. Programs of prevention and education on child ocular trauma are needed.

Resumo Objetivo: descrever o perfil epidemiológico do trauma ocular infantil na urgência do HBDF. Método: estudo transversal, descritivo. Avaliaram-se 103 casos de trauma ocular em menores de 15 anos entre julho de 2012 e janeiro de 2013, por meio de aplicação de questionário semiestruturado disponível online: idade, sexo, presença de supervisão, mecanismo, tipo do trauma, local e hora, sítio e natureza da injúria, acuidade visual, necessidade de internação e/ou cirurgia, tipo de cirurgia, escolaridade materna e renda familiar. Resultados: a média de idade dos pacientes analisados foi 7,5 anos. Os meninos (68%) predominaram em todas as faixas etárias. O trauma fechado prevaleceu (55,3%), seguido do aberto (20%). A maioria dos casos ocorreram em casa, no período de 14 às 20 horas. As causas mais comuns foram: madeira, pedra, bicicleta, caco de vidro e quedas. A córnea foi acometida em 54%. A acuidade visual foi ≥20/40 em 68,9%. Indicou-se sutura primária da parede em 70,37% (p-valor=0,022). O trauma mais grave (p-valor=0,005) e que mais necessitou de intervenção (p-valor=0,000) foi o aberto. As injúrias ocorreram, apesar da presença de supervisão de um adulto, em 54% (p-valor=0,002). Os traumas mais graves predominaram entre 7-15 anos (p-valor=0,001). Conclusão: o trauma ocular infantil foi mais frequente nos meninos. Os mecanismos de lesão são os mais diversos e predominaram no domicílio. O trauma fechado prevaleceu; porém, o maior impacto visual decorreu do trauma aberto. São necessários programas de prevenção e educação em trauma ocular infantil.

A West Malaysian study of pediatric ocular trauma / 国际眼科杂志(Guoji Yanke Zazhi)

AIM: To survey ophthalmological outcomes of pediatric patients who presented during a five - year period with ocular trauma to a tertiary referral center in West Malaysia. METHODS: All consecutive patients presenting to the Accident and Emergency Department from Jan. 2009 to Dec. 2013 were identified. Patients were recruited as study subjects if they were less than 15y of age and had sustained ocular trauma. Follow - up patients were excluded. Data collected including the subjects'demographic data and past medical and ocular history. Ocular injury, treatment and progress details were also recorded. RESULTS: The prevalence of pediatric ocular trauma was 17. 6 / 100000 per year. Males represented 69. 5% of the 426 subjects recruited. Mean subject age was 6. 08 years [ standard deviation ( SD): 2. 24]. Domestic tools (19. 7%) and falls (19. 7%) represented the commonest causes of trauma. Most subjects (79. 9%) had presenting visual acuity (VA) of 6 / 12 or better. The anterior segment of the eye (93. 9%) was most commonly injured, and 22. 8% of subjects required surgery. Relative afferent pupillary defect was associated with closed globe injury (P = 0. 001) and poorer final VA (P = 0. 001). Final VA in most subjects (92. 7%) was 6 / 12 or better. CONCLUSION: Increased awareness is necessary for the prevention and early ophthalmological intervention of pediatric ocular trauma, to ensure optimum visual rehabilitation for these patients.

Clinical features and outcomes of vitrectomy in pediatric ocular injuries-eye injury vitrectomy study.

Context: Severe pediatric ocular injury remains a frequent and difficult problem. Vitrectomy is a major technique that has been used to manage severely damaged eyes. However, limited follow‑up studies exist currently. Aims: To evaluate the clinical features and predictive factors of visual and anatomic outcomes in Eye Injury Vitrectomy Study (EIVS). Settings and Design: Retrospective, consecutive, interventional case series. Materials and Methods: Reviewing and analyzing records of children, aged 15 years or younger, who had undergone vitrectomy for eye injuries in EIVS database between January 1997 and December 2009. Statistical analysis used: Descriptive analyses and multiple Logistic regressions were employed for all variables using SPSS software (version 17.0, SPSS Inc.). Results: Eighty‑seven children (89 eyes) with more than 6 months follow‑up and complete records identified in EIVS were included in this study. Average follow‑up was 12.7 months. The mean age was 9.4 ± 3.8 years. Seventy‑seven eyes (86.5%) had open globe injuries, and 12 (13.5%) had closed globe injuries. Seventeen eyes (19.3%) presented with endophthalmitis. Seventy‑five eyes (88.2%) presented with visual acuity of 4/200 or worse; however, 42 eyes (47.7%) achieved 4/200 or better vision with anatomical restoration after vitrectomy. Multiple analysis showed that choroidal damage, large scleral wound, and endophthalmitis were significantly associated with unfavorable outcome, the OR values were 16.7 (95% CI: 2.7‑102.4, P = 0.002), 10.9 (95% CI: 1.7‑71.6, P = 0.013), and 6.6 (95% CI: 1.0‑42.4, P = 0.048), respectively. Conclusions: Vitrectomy intervention resulted in favorable visual and anatomic outcomes in almost half of the injured eyes. Choroidal damage, large scleral wound, and endophthalmitis were the prognostic indicators of unfavorable outcome.

Resultados del tratamiento quirúrgico de la catarata traumática / Results of the surgical treatment of the trauma cataract

Objetivo: Describir los resultados del tratamiento quirúrgico de pacientes con catarata traumática, que acudieron a la consulta de urgencias oftalmológicas del Hospital General “Dr. Juan Bruno Zayas Alfonso” de Santiago de Cuba en el año 2008. Métodos: Se realizó un estudio observacional, descriptivo y transversal, donde se analizaron variables como: edad, sexo, tipo de trauma, alteraciones oculares asociadas, agudeza visual mejor corregida preoperatoria y posoperatoria, conducta quirúrgica y complicaciones. La información obtenida se procesó mediante el paquete estadístico SPSS-11,6. Se utilizó las frecuencias absolutas y relativas como medida de resumen. Resultados: Hubo un predominio de los pacientes entre 25 y 34 años (50 %), el sexo masculino (80,8 %) y los traumas a globo cerrado (76,9 %) con subluxación del cristalino en un 30,8 %. El 69,2 % de los pacientes antes de la intervención quirúrgica presentaban una agudeza visual mejor corregida entre 0,01 a 0,09 y el 84,6 % obtuvo una posoperatoria entre 0,4 y 1,0. A 100 % de los pacientes se les realizó extracción extracapsular del cristalino por la técnica de Blumenthal. El 69,2 % no requirieron vitrectomía anterior y se les colocó un lente en cámara posterior al 53,8 % de los casos. La opacidad de cápsula posterior se presentó en el 34,6 % de los operados. Conclusión: El tratamiento quirúrgico de la catarata traumática, si es planificado y se realiza oportunamente, conlleva al buen pronóstico visual de los pacientes. Esto reduce el número de complicaciones y secuelas invalidantes, y logra la reincorporación del paciente a la sociedad.

Objective: To describe the results of surgical treatment of traumatic cataract patients who were seen at the ocular emergency service of “Dr. Juan Bruno Zayas Alfonso” general hospital in Santiago de Cuba, in 2008. Methods: An observational, descriptive, cross-sectional study was conducted to analyze variables such as age, sex, type of trauma, associated ocular disorders, visual acuity, best corrected preoperative and postoperative surgical treatment and complications. The information obtained was processed by SPSS-11,6 statistical software, using the absolute and relative frequency as an outcome measure. Results: There was a predominance of patients between 25 and 34 years of age (50 %), male (80,8 %) and blunt trauma (76,9 %) with lens subluxation in 30,8 % of cases. Before surgery, 69,2 % of patients had best corrected visual acuity ranging 0,01 to 0,09 and 84,6 % had postoperative acuity between 0,4 and 1,0. One hundred percent of the patients underwent extracapsular lens extraction by Blumenthal technique, 69,2 % did not require anterior vitrectomy, whereas posterior chamber lenses were placed in 53,8 % of cases. Posterior capsule opacity was present in 34,6 % of the surgical patients. Conclusions: Surgical treatment of traumatic cataract, if planned and performed in due time, leads to good visual prognosis of patients, thus reducing the number of disabling complications and sequelae, and making the full reincorporation of the patient in the society possible.

Influence of posterior intrascleral iron foreign body on rabbit retina and opticus / 中华实验眼科杂志

BackgroundIron-containing foreign body trapped in the eyeball wall without affecting the opticus occurs occasionally in clinic. Operation always is performed in an attempt to avoid the deposition of rust in different tissues of the eye-balls. However,a few animal experimental studies showed that a small foreign body does not affect the retina and opticus in the period of three months. The question of whether surgery needs to be carried out is worth discussion. ObjectiveThe aim of this study was to evaluate the influence of posterior intrascleral iron foreign body on the rabbit retina and opticus. MethodsTwelve healthy adult Japan flap-eared white rabbits were randomly divided into two groups. Medium carbon iron with rust or without rust( size of 2. 0 mm × 1. 0 mm×0. 2 mm) were implanted into the posterior sclera of the left eye to create the animal model with iron foreign body in the eyeball wall. The cornea, anterior chamber, crystalline lens, vitreous and fundus of the rabbits were observed under a slit lamp microscope 1weekbeforeoperationand 1week, 2weeks, 1monthand 3months after operation.Flash electroretinogram(F-ERG) and flash visual evoked potential (F-VEP) were recorded at the time points mentioned above. All the rabbits were sacrificed and the eye balls were extracted at the end of the experiment, and the position of the iron foreign body was determined. The histopathological examinations of the retina and opticus were performed under the light microscope. This experiment complied with the Regulations for the Administration of Affair Concerning Experimental Animals by State Science and Technology Commission. ResultsThere were no statistical differences for the a-wave amplitude of F-ERG among different time points( F =1. 885,P =0. 129 ) and different treatment groups ( F =1. 188, P =0. 340 ), as with the ERG b-wave amplitude ( time: F =2. 73, P =0. 064 ; group : F =1. 114, P =0. 367). The differences in the latencies of F-VEP N1-wave were insignificant among the different time points( F =1. 605, P =0. 263 ) as well as various groups ( F=1. 556, P =0.314 ), and those of F-VEP P1 -wave were not evidently changed ( time: F =2. 329, P =0. 092 ; group : F =2. 186, P =0. 103 ). No correlations were seen between the time factor and grouping factor ( P ＞ 0. 05 ). There was no apparent siderosis bulbi change during the follow-up duration. No morphological abnormality in the retina and optical nerve was found under the light microscope. At the end of the experiment,intrascleral iron foreign body was wrapped by surrounding tissue in a stable condition. Conclusions The small posterior intrascleral iron foreign body, whether it is oxidized or not, does not produce distinctive functional or pathological damage on retina and opticus in the short term.

Descriptive study on ocular survival, visual outcome and prognostic factors in open globe injuries.

A prospective observational study was done to assess ocular survival, visual outcome and prognostic factors of open globe injury. Eighty eyes of penetrating trauma between 2004 and 2006 were categorized according to the ocular trauma classification system. Primary repair was done and outcomes were assessed at one, three and six months. The final vision was categorized as per World Health Organization classification of visual impairment. Factors at presentation were evaluated for prognostic value towards visual outcome. Sixty-nine eyes with minimum one month follow-up were included for analysis. Statistical analysis was done using Univariate and Multivariate analysis. We found Grade IV visual acuity (<5/200) at presentation (64%) as the most important factor contributing to poor visual outcome. Statistically insignificant factors were time since injury, cataract, and presence of intraocular foreign body. Ocular survival was 97%. We concluded that initial visual acuity, hyphema, zone and length of injury, retinal detachment and vitreous hemorrhage are statistically significant factors affecting outcome in open globe injuries.

Epidemiological characteristics of eye injury among soldiers in 15 military hospitals / 中华流行病学杂志

Objective To investigate and analyze the epidemiological characteristics of eye injury among military inpatients. Methods Data of eye injury among military inpatients from 15 military general hospitals during 2001 --2005 were recorded and statistically analyzed. Results There were 716 military inpatients with eye injuries, taking up 7.41% of the whole ocular trauma inpatients in corresponding time period. Military inpatients with eye injuries were admitted more in spring and summer; with sex ratio as 46.73:1 ; mean age as (24.99±8.40) years and 82.27% in 17-29 years while 7.82% were binocular injuries. A certain proportion of the complication appeared after the myoporthosis operations. Mechanical and non-mechanical eye injuries took up 92.49% and 7.51% respectively. Sports (17.62%), explosion (11.92%) and fighting (11.40%) related factors were the main causes of injuries. 51.55% of the accidents took place during working or training processes and 30.31% was on military training sites. At discharge, 22 eyeballs were removed mainly due to open globe injuries, 9 eyes with no light perception but vision acuity equalled to or more than 0.5 in 62.16% of the patients. Conclusion Of those eye injury inpatients, military training and construction for defense were the main causes related to occupational eye injuries among soldiers. Mutilation power of eye injury should not be ignored and epidemiological survey on military eye injuries need to be carried out more extensively.

Pattern of ocular trauma in Kuching, Malaysia

Objectives: To analyze the causes and characteristics of ocular injuries presenting to Sarawak General Hospital (SGH), Kuching. Design: It is a prospective hospital-based study done for a period of 1 year. Setting: Department of Ophthalmology, Sarawak General Hospital, Malaysia. Participants: All ocular injury patients seen for the first time in the Eye Department during the period January 2006 to December 2006 were included in the study. Eye injury patients on follow-up and treated elsewhere were excluded. Results: A total of 233 patients, and 257 eyes, were studied. Men had six-fold higher rates of injury than women. The average age of presentation was 30 years. The predominant age group was between 21-30 years, 26.2 % (n=61). Eye injuries related to work were seen in 36.9% of patients. There was a gross negligence in the use of personal protective devices in the work-related group. The common settings in which the injuries occurred included home 34.3% (n=80) and industrial premises 31.8% (n=74). Assault-related injuries 7.7% (n=18) were seen mostly among young men in the age between 20-30 years. The initial presenting visual acuity of the patients with blunt ocular trauma was better than penetrating injury. Conclusion: Ocular injuries were common in young males. Work related eye injuries were noted in a significant number of cases. Health education and preventive strategies both in the working place and at home will help to decrease the occurrence of ocular injuries.

Clinical characteristics and the result of surgery for penetrating eye injury after mine explosion

Background: Penetrating eye injury caused by mine explosion is a severe ophthalmologic injury. It is rare in Viet Nam and there were no studies on this type of injury. Objectives: To describe the clinical characteristics and evaluate the outcomes of surgery for penetrating eye injury caused by mine explosions. Subjects and method: The prospective analysis was conducted on 34 patients (36 eyes) with penetrating eye injury presented at the Trauma Department of Viet Nam National Institute of Ophthalmology. They were followed up for two years. Results: Out of the \r\n', u'34 patients, 31 were men (91.2%). Types of injury: corneal tear 93.8%, lens damage: 100%, vitreous damage: 56.3%, retinal detachment 25%, intraocular foreign body 72.2%. Initial visual acuity less than 0.02 was 96.9%. The final visual acuity was improved to better than 0.02 in 58.3% of patients. The intraocular pressures were normalized in 72.2% of patients after treatment. Conclusion: Penetrating eye injury caused by exploding mines has very severe clinical features. Despite of improvements in surgical techniques and instruments, the final visual acuity was still poor. The visual outcomes primarily depended on initial damages to the eye.\r\n', u'

Assessment of the outcomes of surgical in the treatment of glaucoma after penetrating eye injury

Background: Penetrating eye injury is common cause blind or many long-term complications later. One of the complications such as glaucoma in the eye. There were some research on glaucoma after penetrating eye injury, but no reports about the treatment of glaucoma. Objectives: To describe the clinical characteristics and assess the outcomes of surgery in the treatment of glaucoma after penetrating eye injury. Subjects and method: The author performed a prospective analysis of 32 eyes the underwent surgery causes by glaucoma after penetrating eye injury at Trauma department of National Institute of Ophthalmology. Follow up period: 6 months. Data was processed by using medical statistics methods on SPSS 10.5 software. Results: Of the 32 patients, 21 were men (65.6%) and 11 were women (34.4%). Localization of the injury: in the cornea 93.8%; lens damages 100%; vitreous organization 56.3%; retinal detachment 12.5%. Functional success (visual acuity >0.02): 18.8%, 4 eyes were enucleated. The normal intraocular pressure after surgery was 71.9%. Conclusion: The clinical characteristics of glaucoma after penetrating eye injury are complicated and multivariable. The rate of normal pressure after treatment was 71.9%.

Evaluation of vitrectomy for severe penetrating eye injury in children

Background: Severe penetrating eye injury is a common emergency in ophthalmology. Objectives: The evaluation results and complications following vitrectomy in severe penetrating injury in children. Subjects and method: This study included 136 eyes with penetrating eye injury, who were treated at the Trauma department of National Institute of Ophthalmology, Hanoi \ufffd?Vietnam from 1999-2000. Vitrectomy was performed through the limbal and pars plana in 135 patients, 105 boys and 30 girls. Results: Remove intraocular foreign body: 11%, procedure for retinal detachments: 14%. The common functional success (visual acuity of 5/2000 or better) rate was 55,1%. Functional success: absent retinal detachment: 60,7%; present: 21,1%. Anatomic success rate was 66,2%. 4 eyes (2,9%) were eviscerated. Complications of the surgery were: iridocyclite, edema of the cornea, hemorrhage, hyphema. Conclusion:Vitrectomy techniques showed its good effect in treating penetrating eye injury in children. Presence retinal damage and endophthalmitis have significant effect on the final visual outcomes.

Comparison on Criteria of Impairment Evaluation about Eye Injury / 中国康复理论与实践

@# Objective To compare and investigate the criteria of impairment evaluation about eye injury.MethodsThe distill items, contents of these items and excursus of three criteria, Assessment and Gradation of Disability Caused by Work-related Injuries and Occupational Diseases (AGDCWIOD), Assessment for Body Impairment of the Injured in Road Traffic Accident (ABIIRTA) and Assessment and Gradation of Impairment Caused by Trauma (AGICT), commonly used in justice practice at present were compared.ResultsThere were essential differences among three criteria. AGDCWIOD was loose, ABIIRTA and AGICT were strict. AGDCWIOD and AGICT were religious, ABOIIRTA was oversight and non-religious. At the same time, there were differences between domestic and international criteria, and domestic criteria were behind the times.ConclusionThere are many problems in the criteria of impairment evaluation about eye injury; related items need recension and consummation.