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Functional hemianopias on Humphrey visual field analysis.

We report two cases of uniocular hemianopia that we first detected on Humphrey visual field analysis, with one patient having additional constriction of his peripheral visual fields bilaterally. These field defects were confirmed to be functional in nature after characteristic changes on Goldmann perimetry and spontaneous improvement towards normal. This type of functional field loss is rare and the unusual pattern on computerised perimetry should be recognised for managing the patient appropriately.