CSCR affects males 6 times more than females between 20-50 years. Most patients have no refractive error or mild hyperopia. Family history suggests genetic predisposition. Associated with increased risk of recurrence
Amblyopia is a brain disorder causing decreased vision in one eye. Most common cause of decreased vision in single eye in children. First described in 1600s, affects 1-5% of adult population
Eye is about an inch in diameter with front part including iris, cornea, and pupil. Lens focuses light on back of eye, filled with clear vitreous gel. Retina converts light into electrical impulses, optic nerve carries them to brain. Eye color determined by iris pigment and inherited from parents
Astigmatism occurs when cornea isn't perfectly round, causing uneven light bending. Most people are born with it, but it can develop after injury or surgery. Often occurs with myopia or hyperopia, forming a refractive error
Keratoconus is a progressive, noninflammatory corneal condition affecting 1.38 per 1,000 worldwide. Disease typically begins in second decade, progressing until fourth decade. South Asians and Middle Easterners have higher prevalence than Europeans
Amblyopia is reduced visual acuity in one or both eyes during critical development. Affects 3-6% of children and adults in developed countries. Causes reduced contrast sensitivity and affects binocular vision