of or relating to or involving light or optics

relating to or using sight

of or relating to or resembling the eye

an optical phenomenon resulting from the failure of a lens or mirror to produce a good image

apparatus for observation and measurement of optical phenomena

lens used to concentrate light on an object

optical glass of low dispersion and low refractive index

optical glass of low dispersion and low refractive index

(physics) a measure of the extent to which a substance transmits light or other electromagnetic radiation

a device for producing or controlling light

a disk coated with plastic that can store digital data as tiny pits etched in the surface; is read with a laser that scans the surface

a disk coated with plastic that can store digital data as tiny pits etched in the surface; is read with a laser that scans the surface

a very thin fiber made of glass that functions as a waveguide for light; used in bundles to transmit images

a very thin fiber made of glass that functions as a waveguide for light; used in bundles to transmit images

optical glass of high dispersion and high refractive index

the combining of images from the two eyes to form a single visual percept

clear homogeneous glass of known refractive index; used to make lenses

an optical phenomenon that results in a false or deceptive visual impression

an instrument designed to aid vision

a lens that focuses the image in a camera

an acronym for light amplification by stimulated emission of radiation; an optical device that produces an intense monochromatic beam of coherent light

opacity to light

a physical phenomenon related to or involving light

optical device having a triangular shape and made of glass or quartz; used to deviate a beam or invert an image

a pyrometer that uses the color of the light emitted by a hot object

an astronomical telescope designed to collect and record light from cosmic sources

in an optical manner