Dark-adapted eye | definition of dark-adapted eye by Medical dictionary
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an eye that has been in darkness or semidarkness and has undergone regeneration of rhodopsin (visual purple), which renders it more sensitive to reduced illumination.
dark-a·dapt·ed eye (dahrk-ă-dap'tĕd ī)
An eye that has been in darkness or semidarkness and has undergone regeneration of rhodopsin (visual purple), which renders it more sensitive to reduced illumination.
Synonym(s): scotopic eye
An eye that has become adjusted for viewing objects in dim light; one adapted for scotopic, or rod, vision. Dark adaptation depends on the regeneration of rhodopsin, the light-sensitive glycoprotein in the rods of the eye.
References in periodicals archive
the dark-adapted eyes
of shallow-water crustaceans that possess mobile screening pigments (Crozier and Wolf, 1939; Crozier et al.
You can measure the size of your fully dilated pupil by holding a ruler next to your dark-adapted eye
and taking a picture of your reflection in a mirror.
But with dark-adapted eyes
and using averted vision, you should be able to see several stars close together - perhaps even the seven main bright stars which give the cluster its name.
Then, to our dark-adapted eyes
, we would see them glow in a variety of colors.
With nothing more than dark-adapted eyes
, a red flashlight, and a star map from this magazine, you can begin to enjoy astronomy by learning to identify the constellations.