hi everyone so i did't  kown what to do for this blog so i came up with colour blindso i am come to tell you some thing colour blind so this going to be long ok the effects of colour vision deficiency can be mild moderate or severe depending upon the defect. if you have inherited colour blindness your condition will stay the same throughout your life it won't get any better of worse. the retina of the eye has two types of light sensitve cells called rods and cones. so that's it bye everyone and i got this on google