Humphrey Matrix Visual Field

Humphrey Matrix Visual Field Testing

The Humphrey Matrix represents the latest breakthrough in visual field testing. Using Frequency Doubling Technology, the Humphrey Matrix will help you conduct a thorough visual field evaluation and assess treatment alternatives. This new product is a clinically validated glaucoma management tool that enables the ophthalmologist to diagnose visual field loss early and accurately.

The frequency doubling effect occurs when black and white gratings are flickered at a high rate, resulting in the patient's perception that the grating has twice the original number of bars. The physiological substrate believed to cause this frequency doubling illusion represents approximately 2% of all ganglion cells in the retina and these specific cells are believed to be the earliest damaged by glaucoma.