Abstract
To compare posterior capsule opacification (PCO) in rabbits who undergo cataract surgery and receive either mitomycin-C (MMC) or distilled water (DW) during sealed-capsule irrigation (SCI). In addition, we examined the toxicity of DW and MMC. Twenty-four eyes from 12 rabbits were divided into three groups. Balanced salt solution (BSS), DW, MMC 0.4 mg/mL was injected into the capsular bag for 2 min after endocapsular phacoemulsification and insertion of a SCI device. The degree of PCO was assessed by POCOman software at 3 months post surgery. Central corneal thickness, anterior chamber inflammation were assessed 1 day, 1 week, 2 weeks, 3 weeks, 1 month and 3 months postoperatively. A statistically significant difference in PCO scores was noted between the control and study groups (P < 0.05). The PCO scores of the MMC group were significantly lower than those of the DW group (P < 0.05). The MMC and DW groups did not show significant toxicity compared with the BSS group. MMC is more effective in reducing PCO than DW; the SCI device can protect the surrounding ocular tissue from MMC toxicity in rabbit eyes.
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