Can you read this?
Aoccdrnig to rscheearch at cmabridge Uinervtisy, it deosn’t mttaer in waht oredr the ltteers in a wrod are, the olny ipromatnt tihng is taht the frist and isat Itteer be at the rghit pclace. The rset can be a toatl mses and you can sitll raed it wouthit a porbelm. Tihs is bcuseae the huamn mnid deos not raed ervey lteter by istlef, but the wrod as a wlohe.
Don’t read these words just say out loud what color they are, if you can!
Simple colour test
Difficulty seeing the red star requires further testing. The orange circle is seen by all.
Try this illusion: Motion Induced Blindness
Do there circles appear to move? Your eyes are playing tricks on you they are still, focus on one and it will stop but the others keep moving.