Cataract
SpecialtyOphthalmology
SymptomsFaded colors, blurry vision, halos around light, trouble with bright lights, trouble seeing at night
ComplicationsFalling, depression, blindness
Usual onsetGradual
CausesAging, trauma, radiation exposure, following eye surgery
Risk factorsDiabetes, smoking tobacco, prolonged exposure to sunlight, alcohol
Diagnostic methodEye examination
PreventionSunglasses, not smoking
TreatmentGlasses, cataract surgery
Frequency60 million (2015)