| retinoscope | <instrument> An optical device used to illuminate a subject's retina during retinoscopy. Origin: retino-+ G. Skopeo, to view (05 Mar 2000) |
|---|
| reflecting retinoscope | <instrument> A plane or concave mirror with a central perforation that allows the observer to see rays emerge from the subject's eye. (05 Mar 2000) |
|---|---|
| luminous retinoscope | <instrument> A portable optical device providing either a circular or linear (streak) beam of light. (05 Mar 2000) |