眼科学 yǎnkēxué ophthalmology Definitions Defs Origin Strokes Stroke Words Sentences Sents 眼科 yǎnkē noun ophthalmology department of ophthalmology; the branch of medicine dealing with the diagnosis and treatment of eye disorders学 學 xué nounaffix branch of learning (bound form) a subject or branch of study; often used as a suffix for -logy, -ics, or -science