ophthalmometeryoudaoicibaDictYouDict[ophthalmometer 词源字典]
"An instrument for measuring the radius of curvature of the cornea", Mid 19th cent.; earliest use found in Robley Dunglison (1798–1869), physician and medical writer. From ophthalmo- + -meter.[ophthalmometer etymology, ophthalmometer origin, 英语词源]