Optillusions (Optical Illusions)

Jan 11
Though not strictly an optical illusion, the Isihara Color Blindness test illustrates the variability of human perception. The numeral “82” here is clearly visible to viewers with normal color vision.

Though not strictly an optical illusion, the Isihara Color Blindness test illustrates the variability of human perception. The numeral “82” here is clearly visible to viewers with normal color vision.


  1. daily-cri-asian reblogged this from optillusions
  2. matt-coyle reblogged this from optillusions and added:
    I see nothing
  3. youshallnotpassthistest reblogged this from optillusions and added:
    Not seeing the 82
  4. dobsonfrith reblogged this from optillusions
  5. droawt17 reblogged this from optillusions
  6. djgatsby reblogged this from optillusions
  7. oggraphics reblogged this from optillusions
  8. caro2260 reblogged this from optillusions
  9. katelynbrianne21 reblogged this from optillusions
  10. danderboy reblogged this from optillusions and added:
    I can’t see 82 can you?
  11. take-me-into-your-dreams reblogged this from optillusions
  12. shesalwaysconfused reblogged this from ohioisforlover and added:
    i dont have a normal color vision.
  13. ohioisforlover reblogged this from optillusions
  14. filmscorefan reblogged this from voxelectron
  15. voxelectron reblogged this from optillusions
  16. dolphin7161 reblogged this from optillusions
  17. counting-the-celestial-bodies reblogged this from optillusions
  18. acmesalesrep reblogged this from greengoldandgrey and added:
    Actual tests here: http://offsetpressman.blogspot.ca/2009/10/color-blindness-test-for-printers.html
  19. greengoldandgrey reblogged this from brainstatic and added:
    pizza
  20. brainstatic reblogged this from catsandmisandry and added:
    If it makes you feel any better, this is a joke tumblr and the image has no 82 in it, so everyone looking at it sees a...
  21. apiordascocainas reblogged this from optillusions
  22. kazisho reblogged this from optillusions
  23. vegar-ask reblogged this from optillusions
  24. chirpydeanne reblogged this from optillusions
  25. door reblogged this from afgurri and added:
    Don’t worry, Adam, there’s no 82. But show it to your brother and insist there is, that’s always good fun.
  26. afgurri reblogged this from tbridge and added:
    Color blind person over here, don’t know if the rest of you can see an 82 but I can’t.