SPECIAL OPTICAL AIDS FOR THE PARTIALLY SIGHTED.
D002386:Cataract; D003117:Color Vision Defects; D003261:Contact Lenses; D003318:Corneal Opacity; D003930:Diabetic Retinopathy; D005128:Eye Diseases; D005139:Eyeglasses; D005853:Geriatrics; D005901:Glaucoma; D006801:Humans; D008266:Macula Lutea; D009216:Myopia; D009896:Optic Atrophy; D012173:Retinitis; D013223:Statistics as Topic; D014605:Uveitis
CATARACT; COLOR BLINDNESS; CONTACT LENSES; CORNEAL OPACITY; DIABETIC RETINOPATHY; EYE DISEASES; EYEGLASSES; GERIATRICS; GLAUCOMA; MACULA LUTEA; MYOPIA; OPTIC ATROPHY; RETINITIS; STATISTICS; UVEITIS