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We reviewed the visual outcome after surgery for primary open angle glaucoma in 156 eyes. Trabeculotomy was performed on 76 eyes (group A). Trabeculotomy with sinusotomy was performed on the other 80 eyes (group B). All the eyes had full visual acuity at the time of surgery. The visual acuity at one and three years after surgery declined by 2 lines or more in 5.5% and 10% in group A and in 18% and 15% respectively. The incidence of visual acuity at 0.6 or less within 3 years after surgery was 2% in group A and 4% in group B. Patients aged 40 years or less showed similar tendency in postoperative visual acuity. The incidence of deteriorated visual acuity was 10% or less in each subgroup classified according to the initial visual field defect. The findings show that trabeculotomy with or without sinusotomy resulted in low incidences of postoperative visual acuity including younger patients.LA: Japanese
T. Mizoguchi, Nagata Eye Clinic, 1147 Kitayamada Horai-cho, Nara-shi, Nara-ken 631-0844; Japan
12.9 Trabeculotomy, goniotomy (Part of: 12 Surgical treatment)