How is it possible to analyze the visual field?
The patient subjected to the examination of his visual field seats with his head resting on a chin support, so that he can keep a stable position. The operator asks to the patient to fix a small light source in front of him, at the center of the dome. While the patient’s eyes are directed on the fixed light, other small lights are turned on and off around the central light (up, down and on both sides). When the patient sees the lighting of these small lights, he shall push a button that sends a signal to a computer. The results obtained are finally worked out and compared with the typical features of a normal visual field. For assuring a successful analysis it is necessary: • Be well rested: if you are tired, ask to postpone the analysis. • Be sure that you are seating into the perimeter as much at ease as possible: the examination could endure from 8 to 15 minutes and for this reason a comfortable position is important. • Always look at the fixed light in front of you. • Inform the op
