Figure 2. Perimetry test. This test evaluates the visual field and the patterns of vision loss.

In this case it reveals generalized visual field depression with a deep central and nasal scotoma is detected in the right eye (the dark and gray colors on the grayscale plot, the shape on the above right, with the predominance of dark colors in nasal and central regions).

GHT: Glaucoma hemifield test; MD: Mean defect; NEG: Negative; POS: Positive; PSD: Pattern standard deviation; SITA: Swedish interactive threshold algorithm