Ophthalmologists complete medical school, followed by residency (typically 4 years in the US) and often fellowships for subspecialties like retina, glaucoma, or pediatric ophthalmology. They perform comprehensive eye exams, prescribe medications or glasses, conduct laser procedures, and execute surgeries such as cataract removal or LASIK. Unlike optometrists (who focus on vision correction) or opticians (who fit lenses), ophthalmologists are equipped for surgical interventions and systemic disease management affecting the eyes.
greek From Greek ophthalmo- (ὀφθαλμός, ophthalmos, “eye”) + -logy (-λογία, “-logia,” study) for ophthalmology, plus -ist (“one who practices”), first attested around 1825. The root ophthalmos likely derives from ops (“eye/sight”) + thalamos (“inner chamber”).