Effect of miotics and glaucoma surgery on the field of vision in cases of primary glaucoma

The history of perimetry and development of modern techniques of visual field testing are intimately linked with the study of glaucoma. Even with better understanding of the disease through gonioscopy, tonography, and increasing knowledge of the physiology and dynamics of aqueous outflow, perimetry remains of paramount importance in early diagnosis of the disease and of even greater value in assessing its progress and prognosis