Hosny Elgbely (2005) refers to that, it's able to consider the optically disabled are a special category when comparing with their counterparts in the other categories, the optical disability may be one of these factors with the negative effect on the optically disabled feelings, as he find a difficulty in describing his feelings towards the others and towards himself, because the disability creates a feeling on unconfident of himself, that imposes him to separate from the society he lives in, also the blindness puts the optically disabled in a social isolation, as he can't interact with the surrounding people, or with the outer environment with all its variables. (11:13)