Evaluation of Prevalence and Associated Factors of Dry Eye Syndrome among Medical Students Exposed to Visual Display Terminal in Health Campus, Universiti Sains Malaysia

@#Introduction: Dry eye syndrome (DES) has become a public health concern, especially during the COVID-19 pandemic. Medical students are at risk due to an increase in visual display terminal (VDT) exposure given the transition to full-time online lectures. The presence of reduced blink rate and tear film instability in VDT users causes an increase in tear evaporation leading to symptoms of DES. This study helps us to learn about the associated factors of VDT use and DES among the young generation. This study aims to determine the prevalence and associated factors of DES among medical students exposed to VDT at the health campus, Universiti Sains Malaysia (USM). Methods: A cross-sectional study involving 140 undergraduate medical students aged 22 to 29 years old who were VDT users. Factors analysed are age, gender, race and duration of VDT usage. Data collection included both subjective assessment (OSDI questionnaire) and objective assessment (TBUT and Schirmer’s test). Statistical analysis was conducted using Statistical Package for the Social Science (SPSS Inc Version 24). Results were analysed using descriptive analysis and multivariate logistic regression. Results: Most of the medical student cohort was female and Malay. Most of the students use VDT for less than 8 hours. A high incidence of DES was noted among medical students (92.1%). None of the factors showed significant association with positive findings DES by subjective and objective assessment and duration of VDT usage. Conclusion: DES is common among VDT users. This study showed a high prevalence of DES among medical students in USM. The factors analysed did not show a significant association between DES and duration of VDT usage. This study may help to recognize the problem and will raise awareness of their daily practice and implement preventive measures to avoid VDT-related DES.

Changes of Ocular Biometry and Intraocular Pressure in Patients Treated With Intravitreal Injection of Antivascular Endothelial Growth Factors

@#Introduction: Anti-vascular endothelial growth factors (anti-VEGF) intravitreal injection is one of the popular procedures for medical retina diseases. However, the incidence of angle-closure post intravitreal injection was reported. Several similar studies were conducted previously, but the results were inconsistent and mostly focused on bevacizumab. Methods: A prospective cohort study was conducted. After informed consent, patients who were more than 17 years old and received the first intravitreal anti-VEGF injections (ranibizumab or aflibercept) were recruited. Exclusion criteria included patients with underlying glaucoma, ocular hypertension, intumescence cataract, high refractive error or those with history of intraocular operation or ocular trauma. Pre- and post-injection’s intraocular pressure (IOP) and ocular biometry included “central anterior chamber depth” (CACD), “angle opening distance” (AOD500), and “trabeculo-iris angle” (TIA500) at nasal and temporal 500 µm away the scleral spur were acquired and analyzed. Results: 72 eyes from 66 patients were studied. Mean (SD) increment of IOP following injection within 30 minutes and 1 hour were 6.16 (0.68) mmHg (p<0.001) and 1.26 (0.35) mmHg (p=0.002) respectively. Mean (SD) differences of temporal TIA500 between pre with within 30 minutes and 1-hour post-injection were 1.66 (0.66) degrees (p=0.04) and 1.45 (0.57) degrees (p=0.04) respectively. No significant relationship between the changes of IOP and ocular biometry was found. Conclusion: A single dose of anti-VEGF in a normal population is relatively safe. However, concern on the risk of glaucoma progression and acute angle-closure still needs to be addressed. Further studies on at-risk populations and repeated injections are useful.

Lower eyelid fornix deepening: A new indication for the facial artery myomucosal flap

Eye socket contracture is a well-known late complication of enucleation surgery, and the additional insult of radiotherapy at an early age causes even further fibrosis and scarring of the socket. Management of the contracted socket is challenging, and several methods have been proposed. We report a case of eye socket contracture after enucleation and radiotherapy in which multiple reconstructive procedures failed. The recurrent contracture caused difficulty in housing and retaining the eye prosthesis. We reconstructed the lower eyelid with a facial artery myomucosal flap and nasolabial flap, and the upper eyelid with a Fricke flap following reconstruction of the orbital rims (supraorbital and infraorbital rims with a calvarial bone graft, and further augmentation of the infraorbital rim with a rib bone graft). Cosmesis post-reconstruction was acceptable and the prosthesis was retained very well.

Case Series on Drug Reaction with Eosinophilia and Systemic Syndrome (DRESS) with Different Ocular Manifestation

@#“Drug reaction with eosinophilia and systemic syndrome” (DRESS) is a rare type of “severe cutaneous adverse reaction” (SCAR). We report 3 patients with DRESS who had different presentations. The first case developed DRESS following initiation of Allopurinol a month earlier. He presented with bilateral pseudomembranous conjunctivitis which resolved after 2 weeks. Two months later he presented with bilateral severe meibomian gland dysfunction (MGD), ocular surface disease (OSD) with severe dry eyes and left eye corneal perforation. The second case developed DRESS following initiation of allopurinol and had bilateral conjunctivitis. As for the third case, DRESS happened after taking Roxithromycin. She was diagnosed to have bilateral MGD, blepharitis and dry eyes. Case 2 and 3 did not develop ocular long-term complications. DRESS can cause acute and long-term ocular complications and therefore, following up patients with DRESS is essential to treat any complications with the aim to prevent corneal perforation.

Kimura Disease as a Rare Cause of Proptosis: A Case Report

ABSTRACT@#Kimura disease (KD) is a rare chronic inflammatory disorder of unknown aetiology that primarily affects the head and neck region with lymph node involvement. Young to middle-aged adult Asian males are predominantly affected. The most common presentation is painless subcutaneous swelling in the head and neck region, while proptosis or orbital involvement is very rarely reported. KD shares some features with other inflammatory and neoplastic disorders, including lymphoma; thus, investigations to confirm the diagnosis should not be delayed. Systemic corticosteroids are commonly used to treat KD and show an excellent response; however, the optimal treatment is still uncertain, and KD has a high recurrence rate. We describe the case of a patient with KD who presented with proptosis and post-auricular swelling, which responded well to oral prednisolone treatment.

Traumatic Globe Displacement Into Anterior Cranial Fossa

@#A 64-year-old Malay gentleman alleged occupational injury when a malfunctioned metal hydraulic door hit on his face while unloading sand from his tipper-truck. Post-trauma, he complained of right eye (RE) pain and total loss of vision. On examination, noted RE visual acuity was unable to be assessed and left eye (LE) was 6/24 with pinhole 6/9. No eyeball could be seen in the right socket with superior orbital rim step deformity and left periorbital haematoma. Computed tomography scan of the brain and orbit confirmed displaced right eye globe into the right anterior cranial fossa with right and left multiple orbital wall fractures. He then underwent successful right eye globe repositioning. Traumatic orbital roof fracture is a rare condition. Repositioning of the eye globe was done to salvage the eye globe for a cosmetic reason and to avoid localised inflammatory reaction at the anterior cranial fossa.

A unilateral mild anterior uveitis due to intralenticular foreign body / 国际眼科杂志(Guoji Yanke Zazhi)

A 25-year man presented with symptom of photophobia and tearing in the right eye for 2 months duration. It was associated with painless gradual reduced vision. There was a history of hammering on a metal object prior to that. Ocular examination revealed signs of mild anterior uveitis due to a retained metallic intralenticular foreign body. Conjunctiva was white. Computed Tomography (CT) scan of the orbit confirmed presence of a single intraocular foreign body. The condition is misleading and can be easily overlooked. A detailed history and clinical examination are mandatory in this misleading situation.

Dental infection presenting with ipsilateral parapharyngeal abscess and contralateral orbital cellulitis – A case report

A 43 year-old man presented with pain on the right tooth for three days duration. Computed tomography showed left orbital cellulitis and right parapharyngeal abscess. There was also evidence suggestive of a dental abscess over right upper alveolar region. Magnetic resonance imaging revealed left superior ophthalmic vein thrombosis. Emergency drainage of the right parapharyngeal abscess was performed. Right maxillary molar extraction revealed periapical abscess. Left eye proptosis markedly reduced after initiating heparin.