Retinal vein occlusion: Its risk factors and FFA and OCT findings
Journal Title: MedPulse -International Medical Journal - Year 2016, Vol 3, Issue 3
Abstract
Aim: To study the risk factors of RVO and to study the role of OCT and FFA in detecting early or late RVO changes, in both ischemic and non- ischemic types. Materials and Methods: A total of 120 patients (60 cases & 60 controls) from outdoor and indoor of Regional Institute of Ophthalmology, Guwahati were taken up for this study during the period from 1st June 2011 – 31st May 2012 presenting with RVO. Patients in the age group between 20 to 60 years were selected. Ocular examinations were done very meticulously in every patient assessing Visual Acuity, Intraocular Pressure, Amsler Grid Chart. Detailed Slit Lamp Examination, Slit Lamp Biomicroscopy With 90 D Lens, and Indirect Ophthalmoscopy for peripheral retina examination were done. FFA and Optical coherence tomography (OCT) imaging were performed. Routine blood investigations were done specially ESR. Results: Present study observed that majority of the patients were in the age group >50 years and majority were males. We found out the incidence of RVO and also revealed the association between various risk factors and RVO. Role of FFA and OCT in detecting the various presentations, early and late RVO changes were also studied. The results of our study are comparable to the studies conducted by other investigator all over the world. Conclusion: Our study observed the various risk factors for this disease and the role of diagnostic modalities-OCT and FFA in the diagnosis of the various presentations of this disease. OCT may be a good complementary imaging technique to FFA regarding the diagnosis of RVO. Using FFA as the standard reference, OCT has high sensitivity but only moderate specificity in detecting RVO lesions. Adequate control of the risk factors and timely diagnosis can reduce the incidence of RVO.
Authors and Affiliations
Jyoti Bhuyan, Baby Deka, Arif Sheikh, Anant Singhi
Keywords
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