How Are People Born Blind
Why are some people born blind.
How are people born blind. Research has shown that people who are born blind or become blind at an early age typically before the age of five will not have visual imagery in their dreams. By contrast those who became blind after five will more likely experience visual sensations while dreaming suggesting that there is a developmental threshold during which vision cognition and memory are melded. 17 years experience ophthalmology.
Sight is one of the most valued traits humans hold close to their hearts. Some newborns are born blind because of genetic errors of metabolisms unable to process certain sugars or amino acids. It is difficult to determine if a newborn is blind because babies are extremely nearsighted during their first few months of life.
When compared to sighted people congenitally blind people are also better at hearing different pitches telling pitches apart and telling where sounds come from. Approximately four out of every 10 000 children are certified as blind before their first birthday but the statistics supporting this information are not considered reliable. He was born prematurely and went blind shortly thereafter most likely because of overexposure to oxygen in his incubator.
People with schizophrenia have been shown to have problems with selective attention silverstein said and meanwhile people who were born blind are better at this task than sighted people. Learn about causes diagnosis treatment and more. A 43 year old member asked.
Guiding eyes for the blind estimates that there are approximately 10 000 guide dog teams currently working in the united states. Blindness is the inability to see things including light. Sight is one of the most valued traits humans hold close to their hearts.
It can be partial or complete. Some newborns are born blind because of genetic errors of metabolisms un. Another frequently cited statistic is that only about 2 of all people who are blind and visually impaired work with guide dogs guiding eyes for the blind.
Others succumb to infections such as rubella during gestation while others are born strictly with eye diseases such as glaucoma or cataracts.
