Maintaining visual functions in the elderly.
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Biomedical subjects
Publications and source records attributed to E E Faye.
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There are many children who have subnormal vision in spite of successful cataract surgery and aphakic spectacle lenses. There are children who have lens opacities for whom the state of aphakia would not be an improvement. Careful evaluation of functional vision, careful refraction, and the prescription of high adds or other optical devices are part of complete ophthalmological care for every one of these children. The dioptric strength of the reading add is determined by the functional reading vision and the calculation of the reciprocal of the visual acuity. It is also important to realize that many children who have lens opacities do not require special aids; functional vision is adequate until their accommodative reserve wanes with age. Continuous-wear contact lenses may eventually replace spectacle corrections for the aphakic child.
The low vision patient's ultimate function and ability to profit from his rehabiliation are influenced by his eye disease. A discussion of low vision patient management uses as a basis the observation that greater success is evidenced when the low vision patient is treated in the context of his eye disease, visual acuity and his subsequent adjustment problems. The diagnosis, visual acuity and the visual field are explored as elements of a functional classification. The author classifies eye diseases according to the pattern of visual field loss: no loss of visual field; central or macular field loss; peripheral or perimacular field loss. Visual characteristics are then elaborated and case management is suggested in the context of each category.
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