Oph-thál’mo-scōpe, n.

(ŏf-, or ŏp-), n. [Gr. ὀφθαλμός, eye, and σκοπεῖν, to view.] (Med.) An instrument by which the interior of the eye is rendered visible. Light is thrown into the eye by a concave mirror, and the organ thus illuminated is examined with a lens.