Origin: Greek suffix -ology
Ophthalmology has 2 different meanings across 1 category:
the branch of medicine concerned with the eye and its diseases
"After years of treating glaucoma, Dr. Lee decided to specialize in ophthalmology at the university hospital."
The anatomy, functions, pathology, and treatment of the eye.
"After years of research into ophthalmology, Dr. Lin finally developed a new surgical technique to treat retinal detachment."