1. American Academy of Ophthalmology,1992
2. American College of Physicians, American Diabetes Association, and American Academy of Ophthalmology. Screening guidelines for diabetic retinopathy;Ophthalmology,1992
3. Cataract Management Guideline Panel. Management of Functional Impairment Due to Cataract in Adults. Guideline Report Number 4;Ophthalmology,1993