From The Collaborative International Dictionary of English v.0.48 :
ophthalmitis \ophthalmitis\ n. (Med.) severe conjunctivitis; ophthalmia. Syn: ophthalmia. [WordNet 1.5]From WordNet (r) 3.0 (2006) :
ophthalmitis n 1: severe conjunctivitis [syn: ophthalmia, ophthalmitis]