RT Journal Article SR Electronic T1 Comparative study of Watson's and Cairns's trabeculectomies in a Black population with open angle glaucoma. JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 117 OP 119 DO 10.1136/bjo.61.2.117 VO 61 IS 2 A1 R David A1 J Freedman A1 M H Luntz YR 1977 UL http://bjo.bmj.com/content/61/2/117.abstract AB A comparative study of the effectiveness of Watson's and Cairns's trabeculectomy in a Black South African population with open-angle glaucoma is presented. The eventual success rate of 91-6% is comparable with that found in Whites, and the results were similar with both methods.