retinoschisis ret·i·nos·chi·sis (rět’n-ŏs’kĭ-sĭs)
Degeneration of the retina causing splitting and the formation of cysts between retinal layers.
noun, Ophthalmology. 1. an apparatus that determines the refractive power of the eye by observing the lights and shadows on the pupil when a mirror illumines the retina; skiascope. retinoscope ret·i·no·scope (rět’n-ə-skōp’) n. An optical instrument for examining refraction of light in the eye.
noun, Ophthalmology. 1. an objective method of determining the refractive error of an eye. noun 1. (ophthalmol) a procedure for detecting errors of refraction in the eye by means of an instrument (retinoscope) that reflects a beam of light from a mirror into the eye. Diagnosis is made by observing the areas of shadow and […]
noun 1. a body of retainers in attendance upon an important personage; suite. noun 1. a body of aides and retainers attending an important person, royalty, etc
noun, plural retinulae [ri-tin-yuh-lee] /rɪˈtɪn yəˌli/ (Show IPA). Anatomy. 1. a group of elongate neural receptor cells forming part of an arthropod compound eye: each retinula cell leads to a nerve fiber passing to the optic ganglion.