(optics) A method of designing optical systems in which the conformation of the lenses is chosen to optimize its interaction with the local environment

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

plural of optical drive

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.

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

Synonym of light microscope

plural of optical telescope

plural of optic cup

plural of optical mouse

(computing) A mouse (pointing device) that uses a light source and a light detector (for example, an LED and an array of photodiodes) to detect movement, as opposed to the earlier mechanical mouse.