Purpose:The antiseptic effectiveness of 5% anerdian Ⅲ, 0.016% gentamicin,and 0.5% tobramycin solutions in pre-surgical irrigation of conjunctival sac were compared. Methods:A total of 295 cataract patients (302 eyes) who had undergone phacoemulsification aspiration combined with intraocular lens insertion. (IOL).were recruited in this prospective study.Operative eyes were given 0.3% levofloxacin eye drops for 3 days and then were randomized into three treatment groups:anerdian. (A), gentamicin (B) and tobramycin (C).The patients received conjunctival sac irrigation using the respective solutions at 10 minutes preoperatively.Conjunctival sac sampling was performed before and after irrigation and the samples were used for subsequent bacterial culture and swab tests. The positive culture rate was used as the main outcome. Results:The positive rates of bacterial culture before conjunctival sac irrigationwere 17.31% (18 eyes) in group A, 13.86% (14 eyes) in group B and 17.3% (14 eyes) in group C.Post irrigation,the positive rates in the three groups decreased to 5.76% . (6 eyes),5.94% . (6 eyes) and 7.22% (7 eyes), respectively. The positive rates among the three groups did not differ significantly.However,the positive rate in group A only significantly differed before and after the irrigation (P<0.05). No toxic or allergic reactions were observed on the ocular surface of any patient after irrigation. Conclusion: The antiseptic effects of the three types of con junctival sac irrigations did not differ. (Eye Science 2013; 28: 20-23)
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