4Hsu S Y,Wu W C.Comparison of phacoemulsification andplanned extracapsular cataract extraction in combined parsplana vitrectomy and posterior chamber intraocular lens im-plantation[J].Ophthalmic Surgery Lasers&,2005,36(2):108.
6Tinnungwattana U,Gorvanich S,Kulvichit,et al.Com-bined deep topical and superior subconjunctival anesthesia forextracapsular cataract extraction in a rural eye camp[J].Anesthesia and Analgesia,2009,109(6):2025.