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Andrew Watkins Optometrist
Shop CG 5, Ground floor
Canberra Center, City Walk
Canberra, ACT 2606
Phone: 02 6247 7705
Monday - Thursday
8.30 am - 5.30 pm
8.30 am - 7.30 pm
8.30 am - 1.00 pm
Sunday - Closed
We unconditionally guarantee the workmanship and quality of our lenses and frames for 2 years from the date of purchase, if due to a manufacturing fault.
Colour vision defects are almost always inherited, although some forms can be acquired condition as a result of some diseases or injuries.
In the general population, about 8% of males and 0.5% of females have colour vision deficiencies. Almost all colour deficient people do see a large range of colours but they will have difficulty identifying particular colours. The most common defects lead to confusing certain shades of red and green for example
As children, few of these people will be aware that they have a colour vision deficiency but the detection of these problems is important, especially when career choices are affected.
Examples of Ishihara Colour Vision Examination Plates: