Definition Surgery to the crystalline lens of the eye. Key Features • Lens surgery is the most common eye operation. • Technical indications for lens surgery are divided into two…
Definition Modern cataract surgery not only promises prevention of induced refractive errors by the surgical process but also the opportunity to enhance the eye’s refractive status. Key Features • Importance…
Definition Retinal and choroidal blood vessels are responsible for nutrition of the posterior segment. It is essential to understand the choroidal and retinal circulatory systems to better recognize and treat…
Definition A proliferative retinopathy of premature infants. Key Features Avascular Retina • Stage 1: demarcation line between normal and avascular retina. • Stage 2: elevated ridge between normal and avascular…
Definition Corneal inflammation with no known infectious etiology. Key Feature • Diverse group of diseases with corneal inflammation as the common feature. Associated Feature • Systemic inflammatory disease. Introduction In…
Definition Vitreous is an extended extracellular matrix situated between the lens and the retina, approximately 4 mL in volume and 16.5 mm in emmetropic axial length. Key Features • Optically clear. •…
Definition Optical coherence tomography angiography (OCTA) is an imaging modality that uses variation (or decorrelation) in the optical coherence tomography (OCT) signal to detect motion in biological tissues. Key Features…
Definition of Episcleritis Inflammation of the connective tissue between the sclera and the conjunctiva. Key Features • Self-limiting. • Less painful than scleritis. • Blanches with topical neosynephrine. • Does…
Definition All unwanted events during or after conventional cataract surgery with potential threat to the normal structure and/or function of the eye. Key Features • Intraoperative complications, depending on incision,…
Definition Vitrectomy is an intraocular surgery during which the vitreous is removed to allow for adjunctive procedures to repair retinal and/or macular pathology or to remove foreign, abnormal, or dislocated…
