Abstract
Purpose: We conducted a study to evaluate the effects of brinzolamide/timolol fixed combination (BTFC) in normal-tension glaucoma (NTG) patients. Methods: We reviewed the records of 33 normal-tension glaucoma patients treated with BTFC in the unilateral eye. We measured intraocular pressure (IOP) every 2 and 1/2 hours between 09:00 am and 04:30 pm. After using BTFC at 8:00 am and 8:00 pm for 6 months, we measured the IOP at the same time period. We analyzed and compared the IOP of eyes treated with BTFC and contralateral eyes. Results: The mean reduction in IOP was -2.85 ± 1.43 mm Hg (-18.36 ± 8.58%) in the eyes treated with BTFC and -2.21 ± 1.73 mm Hg (-13.90 ± 10.66%) in the contralateral eyes. The IOP lowering effect was greater in the eyes treated with BTFC than in the contralateral eyes. After 6 months of BTFC instillation, the changes in IOP measurements were the lowest at 11:30 am and increased at each time point afterwards. The greatest reduction in IOP was observed at 1 month; however, significant IOP reduction was observed at 3 and 6 months in both BTFC and contralateral eyes. There was no serious adverse event causing ocular damage. Conclusions: BTFC provided a significant IOP reduction in both BTFC and contralateral eyes in NTG patients. J Korean Ophthalmol Soc 2014;55(7):1056-1063
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