Comptuerized testing and determination of a visual field of a patient

A method for testing and determining a visual field of a patient, the method comprising:

• (i) instructing, via a processor, a computerized screen to display to a first visual field diagram to the patient, wherein the first visual field diagram includes a selected portion;
• (ii) instructing, via the processor, the patient to focus on the selected portion of the first visual field diagram;
• (iii) modifying, via the processor, the first visual field diagram to temporarily display in the computerized screen an additional feature in an area corresponding to a part of the patient's visual field;
• (iv) receiving, in the processor, an input indicative that the patient saw the temporarily displayed additional feature;
• (v) determining, via the processor, that the patient has vision in the part of the patient's visual field corresponding to the area in which the temporarily displayed additional feature was displayed based on the received input;
• and
• (vi) providing an indication, via the processor, that the patient has vision in the part of the patient's visual field.