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Kanehara Ishihara Colour Blindness Test Book
ISI0718600797
Each
- Regular price
- $219.87
- Regular price
-
$219.87 - Sale price
- $219.87
- Unit price
- per
Books consisting of 14, 24 or 38 coloured plates that contain dots in random shapes and various colours to form a specific shape or number that is clearly visible to those with normal colour vision.
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Feature
Plate book consisting of:- Transformation plates: patients with a colour vision defect should see a different figure from individuals with a normal colour vision
- Vanishing plates: only patients with a normal colour vision can recognise the figure
- Hidden digit plates: only patients with a colour vision defect can recognise the figure.
- Diagnostic plates: intended to determine the type of colour vision defect (protanopia or deuteranopia) and the severity of it.