Bilateral Combined Central Retinal Artery and Vein Occlusion in a Child with Purtscher Retinopathy: A Case Report and Review of the Literature.

Purtscher retinopathy is a hemorrhagic and vaso-occlusive vasculopathy that results from head trauma. Typically, patients present with sudden onset of painless reduction in visual acuity and a group of retinal findings including retinal hemorrhages, retinal whitening, and optic disc edema. The objectives of the study were to describe the rare occurrence of combined central retinal artery and central vein occlusion in a child with Purtscher retinopathy and to illustrate the course of visual recovery and anatomical changes over 6 months of follow-up.

Prevalence of Digital Eye Strain Among University Students and Its Association with Virtual Learning During the COVID-19 Pandemic.

Introduction: The prolonged use of digital devices is a major risk factor for digital eye strain (DES) syndrome.

Aim: To estimate the prevalence of DES symptoms among students at Imam Abdulrahman University who use digital devices for virtual learning and leisure activities.

Methods: This was a retrospective cross-sectional study conducted by asking medical students of Imam Abdulrahman bin Faisal University to complete a self-administered online questionnaire.