A Hospital Based Clinical Study on Primary Open Angle Glaucoma
Journal Title: INTERNATIONAL JOURNAL OF SCIENTIFIC STUDY - Year 2017, Vol 5, Issue 9
Abstract
Background: Primary open angle glaucoma (POAG) is defined as a chronic optic neuropathy with its characteristic optic disc changes and corresponding visual field defects resulting from increased intraocular pressure (IOP) which is the only treatable risk factor. It is one of the irreversible causes of blindness in the world and hence requires early diagnosis which is not a simple task. Aim of the Study: The aim of the study was to conduct a clinical study on POAG and the associated risk factors in a hospital based set up. Materials and Methods: A total of 64 adult patients aged above 45 years with subjects aged 40 years with complaints of raised intraocular pressure were included in the study. Complete ophthalmic examination was done. Diagnosis of POAG established according to the International Society of Geographical and Epidemiologic Ophthalmology classification. Observations and Results: Among 64 patients 31 (48.43%) were males and 33 (51.56%) were females with a male to female ratio of 1:1.06. The mean age was 54.84 ± 3.10. The mean body mass index was 25.66. Family history was positive in 43/64 (67.18%) patients. 43/64 (32.80%) patients were from urban areas and 21/64 were from rural areas. Hypertension was present in 48.43% of the patients. The mean IOP was 14.79 ± 3.60 mmHg. The mean central corneal thickness (CCT) was 502.80 ± 35.30 μm. The mean vertical cup-to-disc ratio (VCDR) was 0.38 ± 0.16 with odds ratio of 0.7 and 95% confidence interval (CI) was 0.3–0.9. The lens opacities measured with Lens Opacities Classification System II system; Category II were 10/64 (15.62%) patients, and Category III in 24 (37.50%), and Category III in 30 (46.87%) patients. Conclusions: The prevalence of POAG in this population was 1.62%. The prevalence was more in 50–60 years age group. The risk factors were raised IOP, hypertension, urbanization, and increasing age. The values of CCT, VCDR, and depth of anterior chamber, angle between iris and trabeculae and lens opacities help in the categorization of POAG and assessing the prognosis.
Authors and Affiliations
Sreekanth Boddikuri
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