Routine Eye Examination - Color Vision Test

Color Vision Test

It is ascreening test done in routine eye examination to identify color vision defects and color blind individuals. The most commonly performed test to detect red green color deficiency is Ishihara test plates.

It consists of 24 plates with numbers and patterns of different color dots hidden in a background of different colored dots. People with normal color vision can easily identify the number or pattern while those with color defect wrongly identify numbers. There are various other tests to detect color vision like D-15 test, lantern test and holmgreen wool test.