1. Warnicki JW, Rehkopf PG, Arrra RC, Stuart JC. Corneal topography using a projected grid. In: Schanzlin DJ, Robin JB, editors. Corneal topography. Measuring and modifying the cornea. New York: Springer; 1992. p. 25–32.
2. Liang F-Q, Geasey SD, del Cerro Maquavella JV. A new procedure for evaluating smoothness of corneal surface following 193nm excimer laser ablation. Refract Corneal Surg. 1992;8:459–65.
3. Ediger MN, Pettit GH, Weiblinger RP. Noninvasive monitoring of excimer laser ablation by time-resolved reflectometry. Refract Corneal Surg. 1993;9:268–75.
4. Corbett MC, Verma S, Prydal JI, Pande M, Oliver KM, Patel S, Marshall J. The contribution of the corneal epithelium to the refractive changes occurring after excimer laser photorefractive keratectomy. Invest Ophthalmol Vis Sci. 1995;36:S2.
5. Mishima S. Some physiological aspects of the precorneal tearfilm. Arch Ophthalmol. 1965;73:233.