Abstract
Aim: Currently a variety of different colour vision tests exist in clinical practice each with its own merits and limitations. The Ishihara test is commonly used to test for congenital deficiency, causing red -green deficits. However acquired deficiency is also common in any ocular pathology affecting the optic nerve. The aim of this study is to compare the Mollon-reffinMinimal Test (MRMT) against the Ishihara and City colour vision tests. Methods: All three t ests were performed within the same clinic visit with a small rest between tests. The main parameters of interest were correlation levels between tests for defect detection, severity grading and defect type classification. We assessed the time taken to complete testing and evaluated the patients experience of test.
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