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Br J Ophthalmol 88:497-500 doi:10.1136/bjo.2003.028142
  • Clinical science
    • Scientific reports

Oligocone trichromacy: a rare and unusual cone dysfunction syndrome

Table 2

Summary of psychophysical findings

Case Age (years) HRR D-15 Mollon-Reffin “minimal” test Anomaloscope Cambridge computerised colour test
1A 8 All correct Normal Slight elevation of discrimination threshold along deutan axis Normal range Slight elevation of discrimination thresholds along all three colour axes
2A 6 All correct Normal Slight elevation of discrimination threshold along deutan axis Normal range Slight elevation of discrimination thresholds along all three colour axes
3B 8 All correct Slight elevation of discrimination thresholds along protan and deutan axes Normal range Slight elevation of discrimination thresholds along all three colour axes
4C 14 All correct Normal Normal Normal range Within the normal range along all three axes
5C 6 2 plates incorrect 2 minor transpositions Normal Normal range Slight elevation of discrimination thresholds along all three colour axes
6D 8 1 plate incorrect 2 minor transpositions Normal Normal range Slight elevation of discrimination thresholds along all three colour axes

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