Scotopization and the Nagel-II anomaloscope.
The term scotopization refers to the intrusion of rod activity in colour vision when assessed under photopic observation conditions. Scotopization is an important symptom of cone dystrophies. The detection of scotopization is not easy. With the Nagel-II anomaloscope scotopization can be detected in two ways. One method is new and this method is described in the present paper.
Pinckers
A
A
Department of Ophthalmology, University Clinics of Nijmegen, The Netherlands.
Marre
M
M
D003119:Color Perception Tests / Q000379:methods*; D003117:Color Vision Defects / Q000175:diagnosis*; D004596:Electroretinography; D006801:Humans; D008027:Light; D010786:Photoreceptor Cells / Q000473:pathology*; D012162:Retinal Degeneration / Q000175:diagnosis