Main Entry: op·tom·e·try

Pronunciation: \-trē\

Function: noun

Inflected Form(s): plural op·tom·e·tries

: the health-care profession concerned especially with examining the eye for defects and faults of refraction, with prescribing corrective lenses or eye exercises, with diagnosing diseases of the eye, and with treating such diseases or referring them for treatment

—op·to·met·ric \ˌäp-tə-ˈme-trik\ adjective