This document discusses visual field testing techniques used to evaluate the peripheral visual field. It describes common manual and automated methods, including confrontation, kinetic perimetry, and static threshold testing. The document provides details on visual field devices such as the Goldmann perimeter, Humphrey Field Analyzer, and Frequency Doubling Technology perimeters. It also reviews data analysis, common defects, and the use of visual field testing to evaluate conditions like glaucoma, neurologic diseases, and side effects of medications.