keratoscope ker·a·to·scope (kěr'ə-tō-skōp')
n.
An instrument marked with lines or circles for use in examining the curvature of the cornea. Also called Placido's disk.
| an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle. |
| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
keratoscopy ker·a·tos·co·py (kěr'ə-tŏs'kə-pē)
n.
Examination of the anterior surface of the cornea to determine the character and amount of corneal astigmatism.