Glossary of Key Terms Superiority Trial: A type of randomized controlled trial designed to show that one treatment is better than another (or placebo/standard care). Equivalence Trial: A type of…
Definition and Clinical Features Neuroretinitis is characterized by optic disc edema with macular exudates in a star pattern, often unilateral, resulting from primary optic disc inflammation with secondary macular…
This review highlights the increasing prevalence of AMD due to an aging population and the growing burden on healthcare systems. Concurrent advances in imaging modalities, particularly Optical Coherence Tomography (OCT),…
Definition: Superior Segmental Optic Nerve Hypoplasia (SSONH), also known as "topless optic disc," is a congenital condition characterized by reduced regional ganglion cells (RGCs) in the superior optic disc.…
Introduction Hypertension is the leading risk factor for cardiovascular disease (CVD) and mortality worldwide, projected to affect 1.56 billion people by 2025. Hypertension affects retinal, choroidal, and optic nerve circulations,…
Clinical Description Definition: Acquired retinal arterial macroaneurysms are fusiform or round dilations of retinal arterioles, typically in the posterior fundus within the first three orders of arteriolar bifurcation. Common Location:…
Definition and Importance: Laser pointer retinal injuries result from exposure to high-powered handheld laser devices, causing photic maculopathy with damage to the retinal pigment epithelium (RPE) and outer retinal layers.…
Hydroxychloroquine Retinopathy Definition and Importance: Hydroxychloroquine (HCQ) retinopathy is a toxic ocular effect of long-term HCQ use, primarily for rheumatic (e.g., systemic lupus erythematosus [SLE], rheumatoid arthritis) and dermatologic conditions.…
Overview of Epiretinal Membrane (ERM): ERM is a fibrocellular membrane over the internal limiting membrane (ILM) due to myofibroblast proliferation, also known as macular pucker or cellophane maculopathy. Prevalence: 34.1%…
Overview of Geographic Atrophy (GA): GA is an advanced form of age-related macular degeneration (AMD) characterized by progressive retinal pigment epithelium (RPE) and photoreceptor loss, leading to irreversible vision loss.…
Study Overview: The Optos Peripheral Retina (OPERA) Study Ancillary study of Age-Related Eye Disease Study 2 (AREDS2). Longitudinal study assessing peripheral retinal changes in age-related macular degeneration (AMD) over 5…