Understanding Visual Disability and Certification Process in Ophthalmology

Visual disability, including blindness and low vision, is defined by specific criteria related to visual acuity and field of vision. Classification into different impairment categories is based on the severity of visual limitations. Certification of visual disability requires evaluation by a Medical Board, with at least one Ophthalmology specialist. Learn more about the categories, conditions, and certification process in this informative content.

• Visual Disability
• Ophthalmology
• Certification Process
• Blindness
• Low Vision

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1. VISUAL DISABILITY DR. J.K. CHOUHAN Sr. PROF AND HEAD DEPARTMENT OF OPHTHALMOLOGY SMS MEDICAL COLLEGE AND HOSPITAL, JAIPUR

2. BLINDNESS ANY ONE OF THE FOLLOWING CONDITIONS Total absence of the perception of light Best corrected visual acuity not exceeding 6/60 in the better eye Limitation of field of vision to 20 degrees or worse

3. LOW VISION Impairment of vision where best corrected visual acuity is 6/18 to 6/60 in the better eye Impairment of field of vision in any one of the following : Reduction to less than 50 degrees Hemianopia is macular involvement Altitudinal defect involving lower field

4. CATEGORIES ALL WITH BEST CORRECTION Categories of Visual Correction CATEGORY Better Eye Worse Eye % Age Impairment Category 0 6/9-6/18 6/24 to 6/36 20% Category I 6/18-6/36 6/20 to Nil 40% Category II 6/60-4/60 or field of vision 10-20 degrees 3/60 to Nil 75% Category III 3/60 to 1/60 or field of vision 10 degrees F.C. at 1 ft. to Nil 100% Category IV F.C. at 1 ft. to Nil or field of vision 10 degrees F.C. at ft. to Nil 100% One eyed person F.C. at 1 ft. to Nil or field of vision 10 degrees 6/6 30% F.C. means Finger Count.

5. PROCESS OF CERTIFICATION A disability certificate shall be issued by a Medical Board duly constituted by a Central/State Government having at least three members out of which at least one member shall be a specialist in Ophthalmology