| OPTOLOGY | • optology n. (Rare) The study of sight. • OPTOLOGY n. the study of sight. |
| OPTOMETER | • optometer n. An instrument for measuring the focus of the lens of the eye. • OPTOMETER n. an instrument for testing vision. |
| OPTOMETRY | • optometry n. The art and science of vision and eye care. • OPTOMETRY n. the science of vision and eye-care. |
| OPTOPHONE | • optophone n. A device that transforms light into sound. • optophone n. A device, used by the blind, that scans text and generates a different sound for each character. • OPTOPHONE n. a device transforming light into sound. |
| OPTOLOGIES | • OPTOLOGY n. the study of sight. |
| OPTOLOGIST | • optologist n. One who studies optology. • OPTOLOGIST n. an optician. |
| OPTOMETERS | • optometers n. Plural of optometer. • OPTOMETER n. an instrument for testing vision. |
| OPTOMETRIC | • optometric adj. Of or pertaining to optometry. • OPTOMETRIC adj. relating to optometry, also OPTOMETRICAL. |
| OPTOPHONES | • optophones n. Plural of optophone. • OPTOPHONE n. a device transforming light into sound. |
| OPTOKINETIC | • optokinetic adj. Of or pertaining to movement of the eyes. • OPTOKINETIC adj. of, relating to, or involving movements of the eyes. |
| OPTOLOGISTS | • optologists n. Plural of optologist. • OPTOLOGIST n. an optician. |
| OPTOMETRIES | • OPTOMETRY n. the science of vision and eye-care. |
| OPTOMETRIST | • optometrist n. A person trained and skilled in examining and testing the eyes for defects, in order to prescribe corrective… • OPTOMETRIST n. an ophthalmic optician; a person qualified to practise optometry. |
| OPTOACOUSTIC | • optoacoustic adj. (Physics) Describing any of several interactions between light and sound. • OPTOACOUSTIC adj. relating to or combining both vision and hearing. |
| OPTOMETRICAL | • optometrical adj. Of or pertaining to optometry. • OPTOMETRICAL adj. relating to optometry, also OPTOMETRIC. |
| OPTOMETRISTS | • optometrists n. Plural of optometrist. • OPTOMETRIST n. an ophthalmic optician; a person qualified to practise optometry. |
| OPTOELECTRONIC | • optoelectronic adj. Of or pertaining to optoelectronics. • optoelectronic adj. That has both optical and electronic components, especially such components that interact. • OPTOELECTRONIC adj. relating to optoelectronics. |
| OPTOELECTRONICS | • optoelectronics n. (Physics) The branch of physics that deals with the interaction of light with electronic devices, or… • OPTOELECTRONICS n. a branch of electronics that deals with electronic devices for emitting, modulating, transmitting, and sensing light. |