Rouland J F, Ribiere L, Amzallag T
Bull Soc Ophtalmol Fr. 1989 Dec;89(12):1477-80.
The survey of 21 penetrating keratoplasty, using Hanna trephine is reported. Corneal transparency, astigmatism, visual acuity are studied.
报告了使用汉纳环钻进行的21例穿透性角膜移植术的调查。研究了角膜透明度、散光和视力。