The visual field is an important way of diagnosing and measuring a person’s quality and field of vision. The testing can be done using various methods, including confrontation visual field testing and automated visual field testing. It also helps in understanding the extent of various eye conditions like glaucoma, optical nerve disorders, or the growth of a tumor that affects a person’s vision. The results obtained from visual testing help eyecare specialists assess the problems and recommend treatment methods suitable for effective outcomes.