Four types of visual field testing methods

clThis test requires the patient to fixate on the
Also called side vision, one people’s fulldoctor’s eye and describe the different
horizontal and vertical vision range can be determinednumbers of fingers, which are within your peripheral
by a visual field test, which also detects potentialviewing field but on the far edges.
blind spots in the visual field. Some eye and brainAutomated perimetry tests can evaluate your vision
disorders are responsible for these visual fieldfield by flashing random lights of different strength
defects. Glaucoma, toxic exposure and retina damage(generated by computer) in your peripheral vision field
can cause optic nerve damage and blind spots. Brainwhile your eyes are staring on a source light straight
strokes and tumors may also affect the visual field.ahead. The patient uses a button to indicate the
A confrontation visual field testing can detectpresence of objects.
potential eye diseases and suggest for a further test.