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Functional Impairment and Visual Loss

103

Systems Based Practice

The effect of eye disease on the functional vision loss needs to be recognized. Most persons with irreversible, subnormal vision can be assisted with properly selected optical aids.

It is the role of the doctors caring for these patients to make sure they receive low-vision care either on site or by referral to a low-vision specialist. We need to treat the vision loss as a medical problem and relate the diagnosis to a functional vision loss. Our history should include a functional history as well as the goals and expectations of the patient and family. Only then can we begin to treat and provide needed low-vision care.

Case Resolution: System-Based Practice

The ophthalmologist took care of the patient by making appropriate referrals to treat the whole patient and not just the eye pathology. He understood the relationship of vision loss to loss of independence and depression. He understood the functional vision loss of the patient and immediately could understand her difficulty with the oven and microwave. Being able to see the whole picture enabled him to provide the best care.

The patient visited the low-vision clinic where she was able to have her lowvision aids adjusted for her new environment. She also was put in touch with a group of contemporary folks with vision loss so she might be able to share her experiences. A vision-rehabilitation teacher visited the home and marked the dials on the kitchen appliances enabling the mother to see them. A largenumbered telephone was purchased as well so she did not have to try to see the portable phone located around the house with ‘‘tiny’’ numbers. Additionally, a new remote control device for the TV was purchased for her to enable her to see what she needed to. Both daughter and mother learned to share their fears and concerns and agreed to keep each other informed so they could have open communication.

References

1.Brody BL, Garnst AC, Williams RA, et al. Depression, visual acuity, comorbidity, and disability associated with age-related macular degeneration. Ophthalmology. 2001; 108:1893–1901.

2.Faye EE. A Functional classification of eye disease. In: Faye EE, ed. Clinical Low Vision. Boston: Little, Brown and Company; 1976:203–252.

3.Faye EE. Factors in visual function. In: Faye EE, ed. Clinical Low Vision. 2nd ed. Boston/ Toronto: Little, Brown and Company; 1984:171–196.