retinoscopy

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 the direction in which the light moves when the mirror is rotatedAlso called: skiascopy, shadow test

n.

1. A method of detecting errors of refraction of the eye by illuminating the retina and noting the direction of movement of the light on the retinal surface.pupilloscopy shadow test skiascopy