Severe-stage glaucoma is defined by which pattern?

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Multiple Choice

Severe-stage glaucoma is defined by which pattern?

Explanation:
Severe-stage glaucoma is defined by a pattern of widespread, diffuse loss of visual field sensitivity. In perimetric testing, this means many test locations show reduced sensitivity across the entire field, not just a few localized spots. The overall field is deeply depressed, often with a mean deviation well below normal (typically worse than about -12 dB). This broad, generalized loss distinguishes severe-stage disease from mild or moderate stages, which show more focal or limited field loss. So the pattern that fits severe-stage glaucoma is the one with extensive, global depression across the visual field.

Severe-stage glaucoma is defined by a pattern of widespread, diffuse loss of visual field sensitivity. In perimetric testing, this means many test locations show reduced sensitivity across the entire field, not just a few localized spots. The overall field is deeply depressed, often with a mean deviation well below normal (typically worse than about -12 dB). This broad, generalized loss distinguishes severe-stage disease from mild or moderate stages, which show more focal or limited field loss. So the pattern that fits severe-stage glaucoma is the one with extensive, global depression across the visual field.

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