scotopic vision


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Related to scotopic vision: Mesopic vision

scotopic vision

[skə′täp·ik ′vizh·ən]
(physiology)
Vision that is due to the activity of the rods of the retina only; it is the type of vision that occurs at very low levels of illumination, and it can detect differences of brightness but not of hue. Also known as night vision.
References in periodicals archive ?
Blue light is used in scotopic vision and theoretically patients could have poorer night vision.