Tritanopia

Tritanopia is an extremely rare form of colour blindness characterised by a selective deficiency of blue vision.

Visual loss

Loss of visual acuity (implying that vision was better at a certain timepoint in life). Otherwise the term reduced visual acuity should be used (or a subclass of that).


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PMID (PMCID)
7067594
 MIXED_SAMPLE Infant
X-recessive angiopathic opticopathy.
Bastiaensen LA, Vandoninck JJ.
Doc Ophthalmol. 1982;52(3-4):227-39.
The symptoms are: slight to moderate pallor of the papillomacular bundle at the disc possibly preceded by some hyperaemia of the disc, telangiectasia on the disc with normal retinal vessels, occurrence in the second decade of life, slow progression with often subclinical visual loss, a small relative central scotoma with an intact peripheral visual field, slight acquired tritanopia and deuteranopia, and vasomotor headaches.