Ten Pearls in Interpreting Humphrey Visual Field
A visual field encompasses the area of space or area of the external environment that is seen by a steadily fixating eye. Advances in the technology of visual field testing have changed our clinical perception of normal and abnormal fields of vision. It is of great importance to diagnose and monitor optic nerve diseases, notably glaucoma. Automated perimetry is now the current gold standard for both diagnosis and follow-up of glaucoma. The Humphreys visual field analyzer by Zeiss technology is the most widely used machine for visual field assessment. In this write-up, we will illustrate ten pearls to interpret a Humphrey’s Automated visual field printout. 1. Pre-requisites For a reliable visual field test, a good understanding between the operator (usually an ophthalmic technician) and the patient is important. It is a good practice for the technicians to undergo self-testing in order to get an idea about the procedure and would help in explaining the procedure better. The patient need
Dr. Faisal Thattaruthody · Prof. Sushmita Kaushik