Visual impairmentalso known as vision impairment or vision lossis a decreased ability to see to a degree that causes problems not fixable by usual means, such as glasses. As of there were million people with some degree of vision loss. The definition of visual impairment is reduced vision not corrected by glasses or contact lenses.
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Some people are born with reduced sight whilst others may acquire an eye condition later in life, such as retinitis pigmentosa that deteriorates with age. Others may lose their sight in an accident, or because of a disease like diabetes or arthritis. Age-related eye conditions are the most common cause of sight loss in Europe.
Blindness is the inability to see anything, even light. For example, you may have blurry vision or the inability to distinguish the shapes of objects. Read More.
You might be surprised to learn that blindness has a gender bias. Some experts think this is tied to estrogen, but there are other reasons women are more affected by blindness than men, ranging from longer lifespans to lifestyle habits like sleeping in contacts—two-thirds of contact lens wearers are women, according to the CDC. But things get worse for women who experience menopause before the age of
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Nothing in life prepares you for finding out that you are going blind. I had no idea there was any problem with my eyesight until I casually mentioned to my optician, at a routine sight test, that I struggle to see in the dark. She made a detailed examination of my eyes and said nothing, but I knew from the look on her face that she had seen something ominous.
Recovery from blindness is the phenomenon of a blind person gaining the ability to see, usually as a result of medical treatment. As a thought experimentthe phenomenon is usually referred to as Molyneux's problem. The first published human case was reported in by the surgeon William Cheselden. Patients who experience dramatic recovery from blindness experience significant to total agnosiahaving serious confusion with their visual perception.
Going blind sucks. So does walking into an eye doctor's office for the first time in your life with trendy red cat-eye frames already picked out, only to be told that you've got a serious problem that no glasses -- regardless of how good they look on you -- are going to fix. I was 37 when I was diagnosed with retinitis pigmentosa, a degenerative eye disease that first steals your night vision, then knocks out your peripheral vision, then usually takes what's left.