ˌ ̷ ̷ˌ ̷ ̷ˈmämə.trē, -_thəl- noun
( -es )
Etymology: International Scientific Vocabulary ophthalm- + -metry
: the measuring of the corneal curvatures of the eye and of their deviations from normal (as in astigmatism) usually by means of an ophthalmometer