Blind, individual vision, occurs when the state can not be considered compensation to about normal. In many cases, these individuals are in some cases the lens can wear corrective lenses may help. If a failure of vision, depending on the level of the problem may be considered legally blind or permanently. Even those with legal blindness is confirmed to some extent, may be able to execute many daily functions well. Cause of visual impairment are very different. Their eyes, genetic problems can prevent injuries associated with various medical conditions. Early in life may have some symptoms of these conditions before the age of the individual listed as the other may wait a year. Some, such as diabetes, individuals may develop only later in life. Underlying cause is detected before the blind can be - a better opportunity to treat a normal state.
