Magnitude and Causes of Low Vision Disability (Moderate and Severe Visual Impairment) among Students of Al-Noor Institute for the Blind in Al-Hassa, Saudi Arabia A case series
Journal Title: Sultan Qaboos University Medical Journal - Year 2012, Vol 12, Issue 1
Abstract
Objectives: Tis study aimed to estimate the magnitude and causes of low vision disability (severe visual impairment [SVI] and moderate visual impairment [MVI]) among students at Al-Noor Institute for the Blind (NIB) in Al-Hassa, Saudi Arabia in 2006. Methods: An optometrist conducted refraction of 122 eyes of the 61 students (27 boys and 34 girls) with MVI (vision <6/18 to 6/60) and SVI (vision <6/60 to 3/60). Ophthalmologists examined the anterior and posterior segments, and analysed the outcomes of additional investigations to fnalise the diagnosis. Te results were categorised as ‘preventable’, ‘treatable’ and ‘not amenable to treatment’. Te low vision care was also reviewed. Results: In 12 (9.8%) eyes, visual acuity was ≥6/18 and in 28 (23%) eyes, it was <3/60. MVI and SVI were found in 82 eyes (67.2%). Hereditary retinal disorders were found in 68 (55.7%) eyes. Although refractive errors were found in 112 (91.8%) eyes, isolated refractive error was found in only 9 students. Congenital glaucoma and cataract were responsible for visual impairment in 16 (13.1%) and 9 (7.4%) eyes. Tese students were prescribed optical and non-optical low vision aids. Conclusion: Retinal disease was the main cause of SVI and MVI in our series. Some students at Al-Noor Institute for the Blind have curable low vision conditions. Rehabilitation of low vision disability should be different from that offered to the absolutely blind.
Authors and Affiliations
Fahad Al-Wadani| Ophthalmology Department, School of Medicine, King Faisal University, Al-Hassa, Saudi Arabia, Ophthalmology Department, Al Jabr Eye & Ear Hospital, Ministry of Health, Al-Hassa, Saudi Arabia, Rajiv Khandekar| Eye & Ear Health Care, Ministry of Health, Muscat, Oman, Muneera A. Al-Hussain| Ophthalmology Department, Al Jabr Eye & Ear Hospital, Ministry of Health, Al-Hassa, Saudi Arabia, Ahmed A. Alkhawaja| Ophthalmology Department, Al Jabr Eye & Ear Hospital, Ministry of Health, Al-Hassa, Saudi Arabia, Mohammed Sarfaraz Khan| Ophthalmology Department, Al Jabr Eye & Ear Hospital, Ministry of Health, Al-Hassa, Saudi Arabia, Ramzy A Alsulaiman| Ophthalmology Department, Al Jabr Eye & Ear Hospital, Ministry of Health, Al-Hassa, Saudi Arabia
Keywords
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