dark-adapted eye

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dark-a·dapt·ed eye

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

Farlex Partner Medical Dictionary © Farlex 2012

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.

Medical Dictionary for the Health Professions and Nursing © Farlex 2012

dark-adapted 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.

See also: eye

References in periodicals archive ?

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.

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Plastic tarps, canvas, denim, duck cloth, and similar materials may look dense by day, but at night with dark-adapted eyes it's surprising how much light gets through them.

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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.

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Then, to our dark-adapted eyes, we would see them glow in a variety of colors.

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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.

Getting the right stuff: from a little to a lot, enjoyment of the nightly sky show can be enhanced by the tools of the astronomical trade

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