It is a test that measures the visual field of the eyes one by one, and today it is performed with computerized visual field devices. In the computerized visual field, the patient sits in front of the device and when he sees the light on the concave screen, he records it by pressing the button in his hand. In this way, it is determined which light it sees and at which points it sees light.
It gives information about the detection of visual field loss in glaucoma patients, pathologies in the optic nerve and visual pathways.
The elderly, who cannot be established, cannot be used for children and visions below a certain level.