Ophthalmology (/ˌɒfθɑːlˈmɑːləi/ or /ˌɒpθɑːlˈmɒləi/) is the branch of medicine that deals with the anatomy, physiology and diseases of the eye. An ophthalmologist is a specialist in medical and surgical eye problems. Since ophthalmologists perform operations on eyes, they are both surgical and medical specialists. A multitude of diseases and conditions can be diagnosed from the eye.

https://en.wikipedia.org/wiki/Ophthalmology

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