plural of optic disc

plural of optic disk

plural of optic chiasm

(astronomy, optics) An optical system in telescopes that reduces atmospheric distortion by dynamically measuring and correcting wavefront aberrations in real time, often by using a deformable mirror.

The white, cup-like area in the center of the optic disc

(astronomy) a very short duration bright flash in the visible spectrum; thought to be caused by a type of supernova

A photoelastic effect produced by ultrasonic waves in a transparent material.