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Wittich, Walter; Watanabe, Donald H.; Kapusta, Michael A.; Overbury, Olga – Journal of Visual Impairment & Blindness, 2011
It is often assumed that persons who develop ocular disease have some form of visual experience that makes them aware of their deficits. However, in the case of peripheral field loss or decreasing vision in dim lighting, as in retinitis pigmentosa, for example, symptoms are more obscure and may not be as easily identified by the persons who have…
Descriptors: Visual Impairments, Visual Acuity, Questionnaires, Symptoms (Individual Disorders)