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Year : 2021  |  Volume : 59  |  Issue : 3  |  Page : 307-309

Overlapping visual fields – A “diagnostic” conundrum

Department of Glaucoma, Institute of Ophthalmology, Joseph Eye Hospital, Tiruchirapalli, Tamil Nadu, India

Correspondence Address:
Dr. Sophia Louisraj
Institute of Ophthalmology, Joseph Eye Hospital, Tiruchirapalli - 620 001, Tamil Nadu
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/tjosr.tjosr_42_20

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A 55-year old male, a patient with established glaucoma, presented with worsening of visual complaints. Field analysis revealed an apparent progression of the pre-existing field changes. A possible overlap of a neurological field defect was however suspected. Computerised tomogram (CT) revealed an acute vascular event in the territory of the middle cerebral artery. Mistaking the new field defect as a sign of glaucoma progression, would have resulted in missing the cerebrovascular accident, with a possible ominous outcome. Careful interpretation of visual fields (especially in those with pre-existing field defects), is therefore, a must in every given clinical scenario.

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