Learn what a visual field is, how to test it, when to test it, and what different types of tests can be used to test the visual field.

It is done by confrontation as a screening test to judge the extent of damage to the visual field. Visual field damage is usually seen in cases of glaucoma or in cases of brain damage seen in strokes.

To test the validity of a simple screening test to identify patients with visual impairment. Patients on the orthopaedic rehabilitation ward recuperating from proximal hip fracture were recruited.