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Year : 2021  |  Volume : 33  |  Issue : 3  |  Page : 278-283

A cross sectional study of visual field patterns in advanced primary open-angle glaucoma

1 Department of Ophthalmology, Government Medical College, Thrissur, Kerala, India
2 Department of Ophthalmology, Government Medical College, Manjeri, Kerala, India

Correspondence Address:
Dr. Anisha Tresa Augustin
Madona, Thiruppady Lane, Mannuthy, Thrissur - 680 651, Kerala
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/kjo.kjo_200_20

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Objectives: (1) To identify the patterns of visual field defects in patients with primary open-angle glaucoma (POAG) in advanced stage. (2) To identify macular split in patients with POAG in advanced stage. Materials and Methods: A cross-sectional study of 180 eyes of 160 patients within a period of 1 year was conducted. All patients with advanced POAG according to the modified Hodapp–Parrish–Anderson criteria were included in the study. A detailed examination including best-corrected visual acuity, color vision, gonioscopy, fundus examination, intraocular pressure measurement, visual field analysis using Humphrey field analyzer, and macular program was done. Results: Of the total 180 eyes, 7.2% had 0.8 cup, 67.8% had 0.9 cup, and 25% had glaucomatous optic atrophy. In the 30-2 program, 11.7% eyes had superior arcuate scotoma, 13.9% had inferior arcuate scotoma, 27.8% had double arcuate scotoma, and 46.7% had severely depressed field. In the 10–2 program, 22.8% had normal field, 26.1% had scotomas not involving fixation, and 51.1% had scotomas involving fixation. In the macular program, 63.3% had normal result, 18.3% had macular threat, and 18.3% had macular split. Conclusions: The most common field defect in the 30–2 program was severely depressed field. The most common defect in the 10–2 program was scotomas involving fixation. The macular program was normal in a majority of patients.

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