About RocketDock. Native Win32 ports of some GNU utilities. Deals. Ishihara Test for Color Blindness. Ishihara Color Test Instructions Plates 1 – 17 each contain a number, plates 18 – 24 contain one or two wiggly lines.
To pass each test you must identify the correct number, or correctly trace the wiggly lines. Sit approximately 75cm from your monitor, with each circle set at eye level.Preferably have mild natural light and no glare on your screen. Interior lights and glare can alter the color of the pictures.Attempt to identify the hidden number or line within 5 seconds then click on the image (left mouse button).Upon left clicking, the answer will be revealed along with an analysis explaining your condition if you got it wrong.Continue to the next Ishihara test, Complete them all to help gauge your color blindness severity.Share the test with your friends!
Notes: Reassemble glasses and enjoy!