Confirmation of Visual Field Abnormalities in the Ocular Hypertension Treatment Study

To determine the frequency with which visual field abnormalities observed on follow-up visual fields for patients in the Ocular Hypertension Treatment Study were confirmed on retest.Between April 1, 1994, and March 1, 1999, 21,603 visual fields were obtained from 1637 patients in the Ocular Hypertension Treatment Study. When follow-up visual fields are outside the normal limits on the Glaucoma Hemifield Test, the Corrected Pattern Standard...