Introduction. Computer vision syndrome (CVS) is “a complex of eye and vision problems related to near work experienced during computer use.” It is one of the rising health concerns related to technology (cell phones and tablets) due to continuous use of computers among students. The aim of this study was to determine the prevalence of CVS, associated risk factors, and commonly associated symptoms and to assess the awareness and proper practice of using computers for studying. Methods. A cross-sectional descriptive study was conducted among 651 undergraduate medical students in King Abdulaziz University, Jeddah, Saudi Arabia. An electronic survey was conducted to collect the data. Data were analyzed using SPSS v21. The chi-square test (Fisher’s exact test when required) was used to study the significance of associations. P value <0.05 was considered statistically significant. Results. High prevalence of CVS was observed, in which 95% (558) reported at least one symptom during studying using computers. Most frequently reported symptoms were excessive tearing and neck, shoulder, or back pain. Female students had a higher risk of CVS (P=0.003). Students who are myopic or hyperopic showed no association. Astigmatism was associated significantly with CVS (P=0.03). Using spectacles or contact lens showed no association. Students with dry eye disease revealed a significant association with CVS (P=0.01). The most significant risk factors related to the daily usage of computer were longer duration of studying (P<0.001), short distance from the screen (P<0.05), and high brightness of the screen (P<0.05). The most significant preventive measure taken to relieve the symptoms was applying the 20-20-20 rule. Conclusion. CVS is common among medical students; significant risk factors need to be addressed to reduce the symptom and to ensure a better productivity of work. It is a necessity to raise awareness among medical students regarding computer-related health problems.

Background: Glaucoma, a leading cause of irreversible vision loss, is characterized by progressive degeneration of retinal ganglion cells. Intraocular pressure (IOP) remains a well-established risk factor, but recent research suggests environmental and lifestyle factors may also play a role. Objective: This review aimed to evaluate the current evidence on the impact of environmental factors on glaucoma progression. Methods: We conducted a systematic review following PRISMA guidelines, searching various databases for studies on environmental factors and glaucoma progression. Results: Our review identified several key findings. IOP remains the most crucial modifiable risk factor. Aerobic exercise and mindfulness practices may lower IOP and provide neuroprotection. Lifestyle modifications like smoking cessation and balanced diets were also emphasized. Studies suggest air pollution exposure, particularly PM2.5, may be associated with an increased risk of glaucoma. However, the studies were primarily observational, and more research is needed to establish causality and elucidate underlying mechanisms. Conclusion: This review highlights the multifaceted nature of glaucoma, emphasizing the interplay between established risk factors (IOP) and emerging environmental influences (air pollution). Environmental factors hold promise as potential targets for glaucoma prevention and management strategies. Future research should focus on well-designed studies to investigate causal relationships and biological mechanisms.

Objectives: This study aimed to determine the prevalence of computer vision syndrome (CVS) and associated risk factors of prolonged use of electronics. Methods: This was an online non-interventional cross-sectional studyconducted over the period of COVID curfew in Jeddah city from April to June 2020, through a questionnaire. Participants were between 20 and 60 years of age and used electronic devices. Results: Total 1,227 participants were recruited between 20 and 60 years of age. The majority of them were females (69.9%). Almost 1,048 participants used smartphones or laptops. More than half (54.5%) of them used electronics for more than 4 hours daily. A high symptom severity score was found in 44% of the respondents. Taking breaks during electronics use <30 minutes (P=0.018), viewing computers at a distance less than arm length (P=0.001), and the use of screen protectors (p=0.014) were significant factors related to the symptom’s severity score. Conclusion: CVS was prevalent among the participants who used electronics for more than 4 hours daily. Taking breaks during electronics use, viewing computers at an appropriate distance, and the use of screen protectors were effective practices to relieve the eye symptoms severity score.

Background Primary congenital glaucoma (PCG) is a congenital anomaly arising from an unusual development of the filtration angle, causing a remarkable rise in intraocular pressure (IOP) that is irrelevant to other ocular or systemic deformities. Purpose The aim of the current study was to evaluate the surgical outcome in PCG patients between 2011 and February 2019. Methods This was a retrospective study of PCG patients who underwent trabeculotomy, trabeculectomy, deep sclerectomy, Ahmed valve, and/or cyclophotocoagulation (CPC) at a tertiary hospital. The IOP must be equal or less than 21 mmHg with or without medication to be designated a successful surgery. Results A total of 80 eyes (41 patients) were included in the study, with a slight male predominance of 65.9%. At presentation, the most reported age group was under 30 days (46.3%). Moreover, deep sclerotomy was the most common procedure, followed by CPC, which were performed in 48 (58.5%) and 18 (21.9%) eyes, respectively. In the overall group, the mean initial IOP was 23.65 +/- 8.52 mmHg, while the mean IOP was 16.73 +/- 8.56 mmHg at final follow-ups (p < 0.001), with a 46% reduction. The mean axial length showed a slight progression from 21.11 +/- 2.58 at the initial visit to 22.92 +/- 3.57 mm at the last follow-up (p<0.001). However, the mean horizontal diameter increased from 12.63 +/- 1.83 mm at the initial visit to 13.31 +/- 1.13 mm at the final visit (p=0.004). Conclusion An excellent IOP reduction could be accomplished in the majority of eyes. Deep sclerectomy can effectively reduce IOP in PCG without the occurrences of serious complications that are commonly seen after other procedures like trabeculectomy or trabeculotomy.

Background: Normal optic nerve diameter (OND) and optic nerve sheath diameter (ONSD) may be beneficial for describing optic nerve pathway abnormality reflecting increased intracranial pressure. Nonetheless, magnetic resonance imaging (MRI) measurement of the normal ONSD range and its associations with clinical factors and eyeball transverse diameter (ETD) are not well established in children. Purpose: To establish normal OND, ONSD, ETD, and OND/ONSD and ONSD/ETD measurements in children and their associations with age and sex. Material and Methods: We evaluated and analyzed 336 brain MRI studies of children aged 0.5 months to 18 years. We measured a total of 672 optic nerves. The OND and ONSD were measured 1 cm anterior to the optic foramina and 3 mm behind the optic disc on an axial T2 sequence. Results: The mean OND 3 mm and 1 cm, ONSD 3 mm and 1 cm, and ETD were 0.23 ± 0.05 mm and 0.16 ± 0.04 mm, 0.53 ± 0.08 mm and 0.38 ± 0.06 mm, and 2.3 ± 0.13, respectively. Only ONSD 1 cm was independent of age ( P = 0.247). ONSD 3 mm and ETD were significantly wider in boys compared to girls and significantly influenced by age (both P < 0.001). Age at scan and ETD were significantly correlated ( P < 0.001). Conclusion: We established MRI-based OND, ONSD, ETD, and ONSD/ETD and OND/ONSD ratio normative values in children, which can be helpful in pediatric populations with disease.