Effect of Panretinal Photocoagulation on Visual Field and Macular Function in Diabetic Retinopathy
Journal Title: Scholars Journal of Applied Medical Sciences - Year 2014, Vol 2, Issue 5
Abstract
A prospective interventional study was conducted among 40 eyes of 28 patients after taking informed consent. After proper history, examination and investigations PRP was performed . After completion of PRP patients were followed up at 1 week, 1 month and 3 months to access Best corrected visual acuity , Color vision , Contrast sensitivity , Visual field assessment and Indirect ophthalmoscopy . Out of 28 patients with very severe NPDR or PDR included in study , 19 patients were male and 9 female . After 3 months post PRP 82.50% had no loss in visual acquity (VA) , while 12.50% had 1 line loss and 5.00% had significant loss in VA by 2 or more than 2 lines . 82.50% of eyes regained their pre PRP contrast sensitivity while only (37.50%) regained their pretreatment color vision. PRP leads to stable field defect in central 30 degree of visual field. Mean difference of Mean deviation and Pattern standard deviation , before and after treatment was found to be highly significant statistically in all eyes undergoing study . Our study conclude that panretinal photocoagulation leads to decreased visual acquity and contrast senstivity in few patients , loss of colour vision in most of the patients and stable field defects in almost all the patients but for eyes with sight-threatening forms of diabetic retinopathy with good visual acuity PRP is effective in preventing blinding eye disease and ensure better quality of life. Keywords: ophthalmoscopy, photocoagulation, color vision, Diabetic retinopathy.
Authors and Affiliations
Dr. Perwez Khan, Dr. Satya Prakash Tiwari, Dr . Saumya Pande
Keywords
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