how do some people lose their sense of sight?
Answers
The brain adapts to the loss by giving itself a makeover. If one sense is lost, the areas of the brain normally devoted to handling that sensory information do not go unused — they get rewired and put to work processing other senses. A new study provides evidence of this rewiring in the brains of deaf people.Complete sensory deprivation causes the brain to hallucinate, so you'd virtually be stuck in a dream, and that would have devastating effects on your psychological health. Luckily, people rarely lose all their senses.All sense are based on some short of nerve cells, so the question becomes which nerve cells are most vulnerable to oxygen deprivation. The answer is that you lose your sight first.
Answer:
Blindness Causes
mpaired vision becomes more common with age. Common causes of vision loss in the elderly include diabetic retinopathy, glaucoma, age-related macular degeneration, and cataracts.
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