![](http://www.alamy.com/thumbs/6/1682EED2-6D63-48BD-B301-4DD5DA80D88F/GG5AA0.jpg)
Colour blindness / Color blind test card: child holding test book / books / sheet / number sheets for Colour Blindness.
Colour blindness / Color blind test card: child holding test book / books / sheet / number sheets for Colour Blindness. (82)
Size: 5472px × 3648px
Location: UK
Photo credit: © David Gee / Alamy / Afripics
License: Licensed
Model Released: Yes
Keywords: array, blind, blindness, book, books, card, chart, child, color, colored, colors, colour, coloured, colours, deficiencies, deficiency, dot, dots, green, holding, illusion, ishihara, isochromatic, number, numbers, perception, picture, pip, plate, plates, pseudo, pseudo-isochromatic, red, sheet, sheets, test, testing