Why do blind people's eyes look the way that they do?

Many people are surprised and intrigued by the appearance of a blind person's eyes. The reason for their distinctive look lies in the scientific phenomenon known as anophthalmia, which is a condition where the eyes fail to develop properly during embryonic development or are damaged after they have developed.

In cases of anophthalmia, there is typically little to no iris tissue present and sometimes only one eye develops at all, with both eyes being affected in some cases. In some instances, it can also be caused by physical trauma such as cuts to the face that damage the eyeball itself, resulting in loss of vision even if not complete blindness.

In general though, when it comes to blind people's eyes specifically, usually there is nothing wrong structurally but rather something called structural nystagmus-which means rapid jerking movements of their eyeballs involuntarily due to their lack of sight. When looking into someone's eyes who has this kind of nystagmus you may see what appears like rolling or darting motion as if they are constantly moving them back and forth very quickly trying to focus on images that aren’t actually there-this is because without light or visual stimulation to keep these muscles relaxed they naturally contract faster over time producing these spasms we can visually detect in others around us who are blind.

This condition can also occur while someone still has partial vision however won't be noticed until almost completely blind - so regardless if someone loses all sight gradually overtime due genetics , injury or accident-the end result remains the same; pronounced physical symptoms that make it easy for most onlookers too recognize those with total blindness from those with merely impaired vision significantly more obvious than any other physical trait does!