Word Study
ophthalmology
CIDE DICTIONARY
ophthalmology, n. [Gr. 'ofqalmo`s the eye + -logy: cf. F. ophthalmologie.].
The science which treats of the structure, functions, and diseases of the eye. [1913 Webster]
OXFORD DICTIONARY
ophthalmology, n. the scientific study of the eye.
Derivative
ophthalmological adj. ophthalmologist n.
For further exploring for "ophthalmology" in Webster Dictionary Online