dyschromatopsia
Color Vision Deficiency
Plain-language definition
Impaired color perception, often an early sign of optic nerve disease. Red desaturation (red appears washed out) is tested at the bedside.
Read our full article on Color Vision Deficiency.
Where this term comes up
“…active antiretroviral therapy (HAART) with a normal CD4 count and non-detectable viral load, who developed bilateral progressive vision loss, nyctalopia (night blindness), and dyschromatopsia (color vision changes).”
Publication · Bilateral Progressive Vision Loss in Noninfectious HIV Retinopathy without Infectious Retinitis
“Reduced color vision - typically a generalized cone-mediated dyschromatopsia rather than a classical congenital red-green defect”
Condition · Stargardt Disease
“Color vision severely affected: dyschromatopsia, especially red-green”
Condition · Leber Hereditary Optic Neuropathy (LHON)
- Category
- Condition, finding, or disease process
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Pathology terms describe diseases, tissue changes, exam findings, or complications that can affect vision or eye comfort.
Related glossary terms
A note on medical context
A glossary definition can explain a word, but it cannot tell you whether a symptom or test result is serious. If this term came from an article, use the full article and your clinician's guidance for context.