— ophthalmometric /of thal'meuh me"trik, op-/ , ophthalmometrical , adj. — ophthalmometry , n.
/of'theuhl mom"i teuhr, -theuh-, -thal-, op'-/ , n.
an instrument for measuring the reflection of an image on the surface of the cornea and other capacities of the eye, used chiefly for determining the presence and degree of astigmatism.
[ 1835-45; OPHTHALMO- + -METER ]