Error in “Methods” Section. In the Clinical Sciences article titled “Classification of Visual Field Abnormalities in the Ocular Hypertension Treatment Study,” published in the May 2003 issue of the Archives (2003;121[5]:643-650), on page 644, second column, line 1, the incorrect published statement reads “(2) 3 adjacent points (cluster) beyond normal limits (P < .05) and at least 1 point worse than the .01 probability level on the total and/ or pattern deviation plots (a cluster is defined as ≥ 2 horizontally or vertically contiguous abnormal points with P < .05); and. . . . ” The statement should read “(2) 2 adjacent points (cluster) beyond normal limits (P < .05) and at least 1 point worse than the .01 probability level on the total and/ or pattern deviation plots (a cluster is defined as > 2 horizontally or vertically contiguous abnormal points with P < .05) and. . . . ”