Figure 2.

The same subject’s HEVF shows only a few missed points. The remaining defect is not in the vertical area 20° from the center of the visual field (denoted by thick black tick marks), and the missed adjacent points are outside of the horizontal area 50° from the center (also denoted by thick black tick marks), so it is still classified as “pass”.

Ayala BMC Ophthalmology 2012 12:35   doi:10.1186/1471-2415-12-35
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