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International Journal of Recent Trends in Science and Technology, ISSN 2277-2812 E-ISSN: 2249-8109

Volume 12, Issue 2, September 2014 pp 364-366
Research Article

A study of visual field changes for diagnosis of glaucoma on humphreys perimetry

Abhijeet Dhavale1, Nitin Akhade2

1Assistant Professor, Department of Ophthalmology, Government Medical College, Miraj, Sangali, Maharashtra, INDIA.

2Medical Officer, Government Medical College, Akola, Maharashtra, INDIA.


Aim: To study visual field changes in patients with raised intraocular pressure and optic disc changes suspicious of glaucoma. Methodology: This was a cross sectional studies of 100 patients with disc changes suspicious of glaucoma or IOP≥21 mm Hg were included. Patients of both sexes and all age groups were included. Anterior chamber angle was examined with Goldmann 3 mirror gonioscopic lens. IOP was measured with applanation tonometer. Fundus examination was performed to document the degree of optic disc cupping. Results: The prevalence of visual field defects in the present study was 36%.  36 patients showed glaucomatous field defects. Mean age of patients with field defect was 48 years ± 10.6. Majority of patients with field defects were above 50 years of age, only 20% of patients had a positive family history of POAG .The mean IOP of 51 eyes with visual field defects was found to be 28.02 ± 7.65 mm Hg.50% of patients with asymmetrical C:D ratio ≥ 0.2  had visual field defects. Conclusions: Glaucoma suspects patients with F/H/O glaucoma, IOP ≥ 21 mm Hg, C:D> 0.5 & a symmetrical cupping are more prone for glaucoma& also constitute an important group that would benefit from energetic screening for glaucoma by Visual field analysis.