COMBINED TRABECULECTOMY AND CATARACT OPERATION

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Abstract
In a study of 94 combined cataract and trabeculectomy operations performed for 59 open angle simplex and 35 capsular glaucoma [human] with coexisting cataract, followed up for 1-9 yr, the overall control of intraocular pressure (.ltoreq. 21 mmHg) without therapy was achieved in 61 eyes (65%). The average follow-up time was 3.4 yr. The success rate 76% after 1 yr follow-up decreased to 63% after 2 yr and went from 45 to 66% over a 3-8 yr follow-up period. Post-surgical therapy was required in 33 eyes (35%). Of these, 31 eyes were controlled with medical therapy alone. In the light of the results the maintenance of filtration was considered the most important factor of success. Most frequent complications, transient hypotony (37%) and hyphema (30%) had no significant effect on eventual success. As regards the diagnostic categories no significant difference existed in the success rates between the simplex and capsular glaucoma groups. The importance of periodic observation is discussed.

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