A case of incomplete achromatopsia of the deutan type

A 45 year old man was studied who was previously diagnosed as a typical achromat. Increment spectral sensitivity measurements on white and several colored backgrounds showed that he possessed a rod system, a cone system sensitive in the short wavelength region (blue cones) and a cone system sensitiv...

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Bibliographic Details
Published inDocumenta ophthalmologica Vol. 51; no. 4; p. 365
Main Authors van Norren, D, de Vries-de Mol, E C
Format Journal Article
LanguageEnglish
Published Netherlands 01.11.1981
Subjects
Color Perception Tests - instrumentation
Color Perception Tests - methods
Color Vision Defects - diagnosis
Color Vision Defects - genetics
Color Vision Defects - physiopathology
Female
Humans
Male
Middle Aged
Pedigree
Photoreceptor Cells - physiopathology
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Summary:A 45 year old man was studied who was previously diagnosed as a typical achromat. Increment spectral sensitivity measurements on white and several colored backgrounds showed that he possessed a rod system, a cone system sensitive in the short wavelength region (blue cones) and a cone system sensitive in the long wavelength region (red cones). This investigation shows that rather extensive testing is required to classify incomplete achromats.
ISSN:0012-4486
DOI:10.1007/BF00143338