Which of the following pathological conditions is complete color blindness?

A) monochromatism
B) astigmatism
C) achromatopsia
D) retinitis pigmentosa


C) achromatopsia
Achromatopsia is complete color blindness. Monochromatism is the inability to
perceive one color. Astigmatism is an abnormal curvature of the cornea. Retinitis pigmentosa is a
progressive disease of the eye resulting in the retina becoming hard, pigmented, and atrophied.

Health & Biomechanics

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