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@#AIM:To observe the clinical effects of YAG laser ablation in patients with physiological vitreous floaters by A/B ultrasound combined with autofluorescence(AF)of angiography.<p>METHODS: Screening of 30 patients(30 eyes)with physiological vitreous floaters from August 2018 to January 2019 in Hankou Aier Eye Hospital, we used A/B ultrasound to measure the distance from the wall of the ball and the back surface of the lens before operations. Check the patient's best corrected visual acuity, non-contact intraocular pressure, scanning laser fundus photography, A/B ultrasound and autofluorescence(AF)of angiography before treatment, laser ablation was performed by the same skilled doctor using ELLEX YAG laser ablation machine. After treatment, the patients were followed up at the point of 1d, 1wk, and 1mo. The same examination was performed after operation. The Image-J software was used to measure the vitreous opacity in the autofluorescence of angiography pictures before and after treatment.<p>RESULTS:There was no significant difference in the best corrected visual acuity and non-contact intraocular pressure before and after treatment(<i>P</i>>0.05). Of the 30 eyes, 28 eyes underwent laser ablation treatment once, and 2 eyes underwent laser ablation treatment twice. The average number of treatments was 1.06. After treatment, the autofluorescence of angiography showed that the vitreous opacity was obviously reduced or disappeared, and the difference was statistically significant before and after treatment(<i>P</i><0.01). No complications occurred during or after surgery.<p>CONCLUSION: A/B ultrasound combined with autofluorescence confirmed that Nd:YAG laser is safe and effective in the treatment of physiological vitreous floaters.
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@#AIM:To observe the clinical effects of YAG laser ablation in patients with physiological vitreous floaters by A/B ultrasound combined with autofluorescence(AF)of angiography.<p>METHODS: Screening of 30 patients(30 eyes)with physiological vitreous floaters from August 2018 to January 2019 in Hankou Aier Eye Hospital, we used A/B ultrasound to measure the distance from the wall of the ball and the back surface of the lens before operations. Check the patient's best corrected visual acuity, non-contact intraocular pressure, scanning laser fundus photography, A/B ultrasound and autofluorescence(AF)of angiography before treatment, laser ablation was performed by the same skilled doctor using ELLEX YAG laser ablation machine. After treatment, the patients were followed up at the point of 1d, 1wk, and 1mo. The same examination was performed after operation. The Image-J software was used to measure the vitreous opacity in the autofluorescence of angiography pictures before and after treatment.<p>RESULTS:There was no significant difference in the best corrected visual acuity and non-contact intraocular pressure before and after treatment(<i>P</i>>0.05). Of the 30 eyes, 28 eyes underwent laser ablation treatment once, and 2 eyes underwent laser ablation treatment twice. The average number of treatments was 1.06. After treatment, the autofluorescence of angiography showed that the vitreous opacity was obviously reduced or disappeared, and the difference was statistically significant before and after treatment(<i>P</i><0.01). No complications occurred during or after surgery.<p>CONCLUSION: A/B ultrasound combined with autofluorescence confirmed that Nd:YAG laser is safe and effective in the treatment of physiological vitreous floaters.
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AIM:To observe the effect of Nd ∶ YAG laser ablation on vitreous floaters.METHODS:From October 2016 to January 2017,78 cases (84 eyes) with vitreous floaters treated with Nd ∶YAG laser ablation were involved.Chi-square test,Mann-Whitney Test,Kruskal-Wallis test and Spearman test were used to compare the therapeutic effect with different etiologies and grades.RESULTS:After two-week treatment,there were 66 eyes (79％) with a significant resolution,16 eyes (19％)with an improvement and 2 eyes (2％) invalid.The total effective rate was 98％.There was no significant difference between the therapeutic effect and times in different etiologies (H=3.842,P=0.146;x2 =0.070,P=0.966);the effective rate were 100％ in grade Ⅰ and Ⅱ,92％ in grade Ⅲ,83％ in grade Ⅳ,and the grade had a negative correlation with the therapeutic effect (rs =-0.027,P=0.013).There were 38 eyes (90％) in grade Ⅰ,21 eyes (88％) in grade Ⅱ,9 eyes (75％) in grade Ⅲ,and 2 eyes (33％) in grade Ⅳ needed once treatment.There was significant difference between different grades and treatment times (U=2.580,P=0.010).CONCLUSION:Nd ∶YAG laser ablation is a simple and convenient operation for vitreous floaters,and could improve the symptom of vitreous floater rapidly.
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AIM: To observe the structure changes of vitreous and retina after YAG laser ablation in patients with physiological vitreous floaters.METHODS: The selected 40 patients of physiological vitreous floaters,before YAG laser ablation,were checked for best corrected visual acuity,non-contact intraocular pressure,took their anterior segment photos,measured their foveola thickness(FT) and retinal nerve fiber layer(RNFL) by OCT.The YAG laser ablation was completed by one experienced surgeon.After the YAG laser ablation,all patients were checked for non-contact intraocular pressure and gave pranoprofen eye drops tid for 3d.At 2d,1wk,1 and 3mo after the surgery,they were reviewed for best corrected visual acuity,non-contact intraocular pressure.At 3mo later anterior segment photos were taken.At 1wk,1 and 3mo after the surgery,FT and RNFL were measured again.RESULTS: The postoperative 2d,1wk,1 and 3mo,best corrected visual acuity,non-contact intraocular pressure of the patients had no significant difference with preoperative(P>0.05).The preoperative anterior segment photos showed obvious single or sheet opacity of vitreous,the postoperative 3mo photos showed that vitreous opacities decreased or disappeared,no other abnormal changes were found.The preoperative OCT data showed that FT was 214.60±9.35μm,the postoperative 1wk,1 and 3mo FT were 213.75±9.07μm,213.40±8.83μm,213.85±9.22μm.The preoperative RNFL were upper 130.26±14.23μm,lower 133.15±14.46μm,nasal 82.48±13.50μm,temporal 75.40±11.89μm;The postoperative 1wk RNFL were upper 130.02±14.02μm,lower 132.99±14.05μm,nasal 82.35±13.07μm,temporal 75.42±11.66μm.The postoperative 1mo RNFL were upper 130.28±14.43μm,lower 133.08±13.99μm,nasal 82.31±13.72μm,temporal 75.45±12.03μm.The postoperative 3mo RNFL were upper 130.43±14.30μm,lower 133.22±14.20μm,nasal 82.27±13.11μm,temporal 75.46±11.91μm.The differences of preoperative and postoperative 1wk,1 and 3mo FT and RNFL had no statistical significance (P>0.05).CONCLUSION: YAG laser ablation has no adverse effects to vitreous and retinal structure in patients with physiological vitreous floaters,it is effective and safe.
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AIM: To study the efficacy and safety of Ultra Q- YAG vitreolysis for vitreous floaters. METHODS: Retrospective case series study. From September 2014 to May 2015 in Beijing Aier - Intech Eye Hospital, 263 cases (340 eyes) with vitreous floaters were involved. All patients underwent visual acuity, intraocular pressure, slit lamp, mydriatic fundus, B ultrasonic examination, and recorded the form of a vitreous opacity excluded pathological fundus lesions. All the patients were divided into two groups: Group A ( 45 years old), 185 cases (258 eyes), the morphology of vitreous opacity was Weiss ring, translucent flocculent clouds or dense fibrous membrane. Patients in 30 - 45 years old were eliminated because of the untypical opacity factor. The treatment was done by the same physician. Vision changes was analyzed before and after the treatment. RESULTS: Questionnaire survey was done. According to the scores of the questionnaires, patients were divided into 3 groups: no improvement ( 1 - 2 points), partial improvement (3-5 points), significant improvement (6-10 points ). At 1mo after treatment, Group A: no improvement in 9 eyes (11. 0%), partial improvement in 57 eyes (69. 5%) and significant improvement in 16 eyes (19. 5%); Group B: no improvement in 0 eyes, partial improvement in 23 eyes ( 8. 9%) and significant improvement in 235 eyes (91. 1%); all the patients had no complications. CONCLUSION: The treatment with YAG vitreolysis for vitreous floaters is safe and effective, especially for the patients more than 45 years old whose vitreous floaters caused by posterior vitreous detachment.
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PURPOSE: To evaluate the long-term follow-up of adverse effects after neodymium: yttrium-aluminum-garne (Nd:YAG) laser treatment for posterior capsular opacification (PCO). METHODS: In this study, 152 patients (184 eyes) diagnosed with PCO and who received Nd:YAG laser posterior capsulotomy with at least 5 years of follow-up were retrospectively analyzed to evaluate the clinical adverse consequences after Nd:YAG laser posterior capsulotomy. RESULTS: The mean age in the study group was 63.2 +/- 4.2 years and the mean follow-up period was 6.2 +/- 0.6 years. Vitreous floaters (8.1%) were the most common complication followed by reactive anterior uveitis (5.9%) and transient increase in intraocular pressure of more than 30 mm Hg (5.4%). Other complications included primary Nd:YAG laser failure (2.7%), recurrent lens epithelial remnant proliferation (1.6%), cystoid macular edema (1.1%), corneal edema (0.5%), retinal tear (0.5%), and rhegmatogenous retinal detachment (0.5%). CONCLUSIONS: Although Nd:YAG laser treatment is the most effective and safe method, surgeons should be aware of the occasional complications such as recurrent lens epithelial remnant proliferation, retinal tear, and rhegmatogenous retinal detachment through long-term follow-up.
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Humans , Corneal Edema , Follow-Up Studies , Intraocular Pressure , Macular Edema , Neodymium , Posterior Capsulotomy , Retinal Detachment , Retinal Perforations , Retrospective Studies , Uveitis, AnteriorABSTRACT
Vitreous floaters is a common complaint in the ophthalmic care setting,and it is commonly caused by vitreous liquefaction and posterior vitreous detachment (PVD).Because vitreous floaters is considered to be a benign procedure,ophthalmologists have little to offer regarding treatment options.Although almost all patients accept the conservative management option,there are some patients with a significant visual disturbance who may desire a more aggressive treatment intervention for resolution of their visual symptoms.Vitrectomy has been used as a treatment option for patients with symptomatic vitreous floaters abroad.The risks and benefits for these treatment options are not fully covered.Therefore,safety of vitrectomy for floaters is being concerned.This article reviews the researching progression in the treatment options for symptomatic patients with vitreous floaters.