9D42Level 3

Patterns of visual field impairment

**Definition:** Patterns of visual field impairment are often indicative for certain disease conditions.

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9D42.2Peripheral field deficit

9D42.3Hemianopic or quadrantic loss

9D42.4Central scotoma

9D42.5Para-central scotoma

9D42.6Homonymous hemianopia or quadrant anopia

9D42.7Heteronymous hemianopia or quadrant anopia

9D42.YOther specified patterns of visual field impairment

9D42.ZPatterns of visual field impairment, unspecified

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