| With tritanopia, the person is deficient in blue and yellow perception, although he is still sensitive to red and green. |
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| Sometimes tritanopia occurs due to disease, because the short wavelength cone is more fragile than the other cone types. |
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| Protanopia, deuteranopia and tritanopia are all types of dichromatism. |
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| The test makes it possible to diagnose almost all the anomalies of colour vision like deuteronopia, protonopia, tritanopia, etc. |
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