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Hobsonville Optometrists

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Colour Vision Testing

Colour vision is tested using Ishihara plates, named after Shinobu Ishihara a Japanese ophthalmologist who created a simple test to detect colour blindness in 1918. His test remains the gold standard worldwide.

Ishihara plates consist of numbers shaped out of dots of one colour superimposed on a circle of dots of another colour. In some cases the numbers disappear and appear or change. The full test has 38 plates, but most colour blindness can be detected by just four plates.

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413A Hobsonville Road
Hobsonville
Auckland 0616

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Street Address

413A Hobsonville Road
Hobsonville
Auckland 0616

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413A Hobsonville Road
Hobsonville
Auckland 0616

This page was last updated at 2:28PM on October 10, 2019. This information is reviewed and edited by Hobsonville Optometrists.