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AIM: To observe tear film changes and recovery after trabeculectomy. Methods: Forty-two patients undergoing trabeculectomy were involved in this randomized study. Uncomfortable symptoms were inquired, as well as tear break-up time, Schimer I test value and corneal fluorescein staining were measured on preoperative day 1 and postoperative day 1,7 as well as in 1 month and 3 months postoperatively. RESULTS: On postoperative day 1, 7, the dry eye symptoms scores and CFS scores increased significantly (P< 0. 01), and the mean BUT and Slt value decreased significantly (P<0.01). At 1 and 3 months, the mean BUT and Slt value returned to their preoperative values (P > 0. 01). And the dry eye symptoms scores and CSF scores also returned to their preoperative values (P> 0. 05). CONCLUSION: Trabeculectomy significantly alters the stability of tear film. The tear film function returned to preoperative conditions in 3months after operation. LA: Chinese
G.-F. Zhu. Department of Ophthalmology, Shenzhen People's Hospital, Jinan University, Shenzhen 518020 Guangdong Province, China. gefeiz@21cn.com
12.8.1 Without tube implant (Part of: 12 Surgical treatment > 12.8 Filtering surgery)