Shahid Beheshti University of Medical Sciences The Scientific Journal of Rehabilitation Medicine 2251-8401 1 3 2012 09 22 A study On the Prevalence of the causes of low vision in patients referring to and examined in low-vision clinic of Rehabilitation Sciences, Shahid Beheshti Medical University A study On the Prevalence of the causes of low vision in patients referring to and examined in low-vision clinic of Rehabilitation Sciences, Shahid Beheshti Medical University 9 14 1100057 10.22037/jrm.2012.1100057 FA Mohsen Akhgary Dept. of Optometry, Faculty of Rehabilitation Sciences. Shahid beheshti University of Medical Sciences, Tehran, Iran Mohammad Ghassemi Broumand Professor of Ophthalmology. Faculty of Rehabilitation Sciences. Shahid beheshti University of Medical Sciences, Tehran, Iran (corresponding author) 0000-0003-2372-3861 Hassan Ghasemi Ophthalmologist. Shadeh University, Tehran, Iran Seyed Mehdi Tabatabaee MSc in Biostatistics, Faculty of Rehabilitation Sciences. Shahid beheshti University of Medical Sciences, Tehran, Iran 0000-0002-6757-5795 Mohammad Aghazadeh Amiri Dept. of Optometry, Faculty of Rehabilitation Sciences. Shahid beheshti University of Medical Sciences, Tehran, Iran 0000-0002-5532-4024 Bahram Khosravi Dept. of Optometry, Faculty of Rehabilitation Sciences. Shahid beheshti University of Medical Sciences, Tehran, Iran Haleh Kangari Dept. of Optometry, Faculty of Rehabilitation Sciences. Shahid beheshti University of Medical Sciences, Tehran, Iran 0000-0002-8298-9574 Azam Karimi Dept. of Optometry, Faculty of Rehabilitation Sciences. Shahid beheshti University of Medical Sciences, Tehran, Iran Journal Article 2011 07 14 Background and Aim: The goal of this study is to investigate the severity of visual acuity loss and the causes of low vision as well as the association between the severity of visual acuity loss and the type of low vision aid prescribed Material & Methods: In this retrospective cross- sectional study, 204 files of the patients referred to the Low Vision Center of the College of Rehabilitation, between 2007 to 2008, were analyzed. Data about their visual acuity, causes of low vision, and visual aid prescribed for them were collected. SPSS 17 was used to analyze the data. Results: The prevalence of different levels of visual acuity loss was as follow: moderate (40.7%), severe (45.6%), and very severe (13.7%). Twenty five types of diseases were identified with the following prevalence: Diabetic Retinopathy 16.2%, Age related macular degeneration 14.2%, Stargart 12.3%, Retinitis Pigmentosa 10.8%, and Albinism 8.2%. Conclusion: Considering the high prevalence of diabetic retinopathy and ARMD, preventive measures should be taken to reduce these causes of Low vision. Microscope is the most prescribed vision aid for three groups of vision loss. The preference of the Iranian patients for using this vision aid could be due to its more casual appearance and ease of use. Background and Aim: The goal of this study is to investigate the severity of visual acuity loss and the causes of low vision as well as the association between the severity of visual acuity loss and the type of low vision aid prescribed Material & Methods: In this retrospective cross- sectional study, 204 files of the patients referred to the Low Vision Center of the College of Rehabilitation, between 2007 to 2008, were analyzed. Data about their visual acuity, causes of low vision, and visual aid prescribed for them were collected. SPSS 17 was used to analyze the data. Results: The prevalence of different levels of visual acuity loss was as follow: moderate (40.7%), severe (45.6%), and very severe (13.7%). Twenty five types of diseases were identified with the following prevalence: Diabetic Retinopathy 16.2%, Age related macular degeneration 14.2%, Stargart 12.3%, Retinitis Pigmentosa 10.8%, and Albinism 8.2%. Conclusion: Considering the high prevalence of diabetic retinopathy and ARMD, preventive measures should be taken to reduce these causes of Low vision. Microscope is the most prescribed vision aid for three groups of vision loss. The preference of the Iranian patients for using this vision aid could be due to its more casual appearance and ease of use.

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