Of all the information relayed to the brain, 80% is visual in origin. Eye and vision disorders have broad implications in health care because of their potential for causing disability, suffering, and loss of productivity. Many symptoms are also associated with general health problems, such as hypertension and diabetes. Early detection and treatment of eye and vision disorders are essential to maintaining a person's total health and well-being.
Eye and vision disorders have an impact on the quality of life for patients in all age groups. In children and young adults, most problems are functional in nature. This means
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