Definify.com
Webster 1913 Edition
Ophthalmia
Oph-thal′mi-a
(ŏf-thăl′mĭ-ȧ)
, Noun.
 [F. 
ophthalmie
, L. ophthalmia
, fr. Gr. ὀφθαλμία
, fr. ὀφθαλμόσ 
the eye, akin to E. optic
. See Optic
.] (Med.) 
An inflammation of the membranes or coats of the eye or of the eyeball.
Syn. – ophthalmitis.