(computer hardware) A drive that reads optical media.

(optics) An imaginary line within an optical system around which there is rotational symmetry.

plural of optical drive

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

Synonym of light microscope

plural of optical telescope

An instrument, used both for recreational and scientific purposes, which provides a magnified view of distant objects by collecting and focusing light by means of mirrors and/or optical lenses.

plural of optic cup

plural of optical microscope

plural of optical switch