Doctor insights on:
Why Are Some People Born Blind
Blind at birth: While prematurity leading to hyperoxygen retinal degeneration can severely impair vision, there are some other rare conditions that may completely impair vision including hypodevelopment of the eyes, cortical blindness, and various internal eye maldevelopments. You pediatrician can help sort these out and find the proper specialist for help. ...Read moreSee 2 more doctor answers
Can people be born without color blindness then get when they get older. I know that people with good vision can go bad, is it the same thing?
Nothing if total: A completely blind person, unable to see any light at all, does not develop visual input or perception. All of the other sensory inputs work hopefully but a truly blind person sees nothing. ...Read more
Many causes: Blindness in newborns can be from a variety of fetal insults including infections of various sorts. There are also a number of genetic reasons for blindness. These can be increased with the marriage of first cousins which is why this is discouraged. ...Read moreSee 1 more doctor answer
Great question!: There's studies showing that blind people can 'see color' in their inner vision thats pretty accurate to how those particular colors appear to us, who can see. How is that possible? So, that's a great question. If they had vision, and lost it later, it's probably true they can see in their dreams. For those who never saw, it's a different question, as those neurons were never developed that way. ...Read more
Usually: Color deficiency is most commonly an inherited condition which is detected as soon as the child is old enough to be tested. You can also acquire color deficiencies with certain retinal disorders, advanced diabetes, and a rare central nervous system stroke which disturbs the ability to detect colors properly. ...Read more
Yes, sort of. : People born blind (or deaf) can experience hallucinations originating in the parts of the brain associated with visual ( or auditory ) hallucinations. However, because they have never had the experience of vision (or sound) they do not experience it as such. The description they give tends to vary, but it is not that of the sensory modality they have never had. ...Read more
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