scot-, scoto-, skot-, skoto- +

(Greek: darkness; blindness)

scotopic
1. Of or relating to low illumination to which the eye is dark-adapted.
2. Vision under conditions of dark adaptation.
3. Designating the dark-adapted state of vision, in which color perception is replaced by shades of black and white.
4. Of or relating to scotopia.
scotoplankton
1. Planktonic organisms living in darkness below the photic zone.
2. Plankton that occurs below 250 fathoms.
scotoscope
A type of telescope that uses image intensifiers to improve night viewing.
scotoscopy
The study of the retina of the eye by means of the ophthalmoscope.
scotosis
Loss of vision in a part of the visual field; a blind spot; scotoma.
scototaxis, skototaxis
Movement of a motile organism to a dark area, as distinct from negative phototaxis.
scototherapy
1. Treatment by means of maintaining the patient in a darkened or dimly lit room.
2. The exclusion of light as a means of treatment.
scototropic, skototropic
A reference to skototropism.
scototropism, skototropism
An orientation movement towards a dark area.

Other related "dark; shadow, shade; black" units: lygo-; melan-; nigri-; nocti-; nycti-; skio-; umbra-.