OCCI or OPAK?

References 

1. Lever J, Dahan E. Opposite clear corneal incisions to correct preexisting astigmatism in cataract surgery. J Cataract Refract Surg. 2000;26:803–805
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2. Qam-mar A, Mullaney P. Paired opposite clear corneal incisions to correct preexisting astigmatism in cataract patients. J Cataract Refract Surg. 2005;31:1167–1170
   • Abstract
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3. Tadros A, Habib M, Tejwani D, et al. Opposite clear corneal incisions on the steep meridian in phacoemulsification: early effects on the cornea. J Cataract Refract Surg. 2004;30:414–417
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