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Oligocone trichromacy: Clinical and molecular genetic investigations
Investigative Ophthalmology and Visual Science, 10/15/09

Andersen M et al. – Oligocone trichromacy is a heterogeneous condition both with respect to phenotypic appearance and genetic background. The finding of mutations in genes known to be involved in complete and incomplete achromatopsia supports the notion that some forms of OT is an extreme form of incomplete achromatopsia with preferential loss of peripheral cones.

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Thomas Rosenberg, 10/19/09

Oligocone trichromacy is a rare autosomal recessive eye order featuring congenital nystagmus and moderate low vision. ERG is needed to reveal the near-complete absence of retinal cone receptor potentials. Despite this the color vision is preserved, thus presenting an apparent paradox.

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