What is visual field testing?
Visual field charting (perimetry) measures how far up, down, left and right you can see while looking straight ahead. You respond to small lights appearing in different positions, and the machine builds a map of your central and peripheral vision.
Tracking glaucoma over time
Glaucoma quietly erodes peripheral vision long before you notice it. Repeating this test over time lets us detect change early and confirm that treatment is keeping your vision stable.
