Glaucomas Associated with Elevated Episcleral Venous Pressure EPISCLERAL VENOUS PRESSURE The episcleral venous pressure is one factor that contributes to the intraocular pressure (IOP). The normal episcleral venous pressure is…

Classification of the Glaucomas APPROACHES TO CLASSIFICATION OF GLAUCOMA There are several systems by which the glaucomas have been classified. The most commonly used ones are based on (a) etiology—that…

Chronic Open-Angle Glaucoma and Normal-Tension Glaucoma TERMINOLOGY Chronic Open-Angle Glaucoma As discussed in Chapter 7, the glaucomas have traditionally been classified according to primary and secondary forms. Within the former…

Glaucomatous Influence on Visual Function In addition to the previously discussed visual field changes in glaucoma (see Chapter 5), other visual function tests may have abnormal results early in glaucoma….