adaptometer

(redirected from Goldmann-Weekers adaptometer)
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adaptometer

 [ad″ap-tom´ĕ-ter]
an instrument for measuring the time required for retinal adaptation, i.e., for regeneration of the visual purple; used in detecting night blindness, vitamin A deficiency, and retinitis pigmentosa.

ad·ap·tom·e·ter

(ad'ap-tom'ĕ-tĕr),
A device for determining the course of retinal dark adaptation and for measuring the minimum light threshold.

adaptometer

/ad·ap·tom·e·ter/ (ad″ap-tom´ĕ-ter) an instrument for measuring the time required for retinal adaptation, i.e., for regeneration of the visual purple; used in detecting night blindness, vitamin A deficiency, and retinitis pigmentosa.
color adaptometer  an instrument to demonstrate adaptation of the eye to color or light.

ad·ap·tom·e·ter

(ad'ap-tom'ĕ-tĕr)
A device for determining the course of retinal dark adaptation and for measuring the minimum light threshold.

adaptometer 

An instrument for measuring the variations in threshold of luminance. The most common is that of Goldmann-Weekers.