Clinicians who manage glaucoma patients carefully monitor the visual field to determine if
treatments are effective or interventions are needed. Visual field tests may reflect disease
progression or variability among examinations. We describe the approaches and perimetric
tests used to evaluate glaucomatous visual field progression and factors that are important
for identifying progression. These include stimulus size, which area of the visual field to
assess (central versus peripheral), and the testing frequency, evaluating which is important …