opto-

a combining form meaning “optic” or “vision,” used in the formation of compound words: optometry.

Origin of opto-

< Greek optós visible; akin to ṓps face; cf. eye

Words nearby opto-

optimum population, option, option money, optional, optionee, opto-, optoelectronics, optokinetic, optometer, optometrist, optometry

Medical definitions for opto-

opto-

pref.

Eye; vision:optometry.