7Deitz MR, Sanders DR, Marks RG. Radial keratotomy:an overview of the kansas city study[J]. Ophthalmology, 1984,91:467 - 477.
8Sanders DR, Deitz MR, Gallagher D. Factors affecting predictability of radial keratotormy[J]. Ophthalmlogy, 1985,90:1237 - 1243.
9Anat Loewenstein, Isaac Lipshitz, Daniella Levanon. Influence of age on photorefractive keratectomy for myopia[J]. J Refractive Surg, 1997,13(1):23-26.
10Collins MJ,CarrJD,StultingRD. Effects of laser in situ keratomileusis (LASIK) on the corneal endothelium 3 years postoperatively[J]. Am J Ophthalmol,2001,131(1) :1 - 6.