3Maguire LJ,Lowry JC.Identifying progression of subclinical keratoconus by serial topography analysis.Am J Ophthalmol,1991,112:41-45.
4Roberts C.Characterization of the inherent error in a sphericallybiased corneal topography system in mapping a radially aspheric surface.J Refract Corneal Surg,1994,10:103-111.
5Mejia-Barbosa Y,Malacara-Hernández D.A review of methods for measuring corneal topography.Optom Vis Sci,2001,78:240-253.
6Nilforoushan MR,Speaker M,Marmot M,et al.Comparative evaluation of refractive surgery candidates with Placido topography,Orbscan Ⅱ,Pentacam,and wavefront analysis.J Cataract Refract Surg,2008,34:623-631.
7Fam HB,Lira KL.Corneal elevation indices in normal and keratoconic eyes.J Cataract Refract Surg,2006,32:1281-1287.
8Sonmez B,Doan MP,Hamilton DR.Identification of scanning slitbeam topographic parameters important in distinguishing normal from keratoconic corneal morphologie features.Am J Ophthalmol,2007,143:401-408.
9Rao SN,Raviv T,Majmudar PA,et al.Role of Orbsean Ⅱ in screening keratoconus suspects before refractive corneal surgery.Ophthalmology,2002,109:1642-1646.
5Soong HK,Mian S,Abbasi O,et al.Femtosecond laser-assisted posterior lamellar keratoplasty:initial studies of surgical technique in eye bank eyes[J].Ophthalmology,2005,112(1):44-49.
6Reinhart WJ,Musch DC,Jacobs DS,et al.Deep anterior lamellar keratoplasty as an alternative to penetrating keratoplasty a report by the american academy of ophthalmology[J].Ophthalmology,2011,118(1):209-218.
7Bahar I,Kaiserman I,Lange AP,et al.Femtosecond laser versus manual dissection for top hat penetrating keratoplasty[J].Br J Ophthalmol,2009,93(1):73-78.
8Gil-Cazorla R,Teus MA,de Benito-Llopis L,et al.Femtosecond laser vs mechanical microkeratome for hyperopic laser in situ keratomileusis[J].Am J Ophthalmol,2011,152(1):16-21.
9Kermani O,Oberheide U.Comparative micromorphologic in vitro porcine study of Intra Lase and Femto LDV femtosecond lasers[J].J Cataract Refract Surg,2008,34(8):1393-1399.
10Ziebarth NM,Dias J,Hurmeric V,et al.Quality of corneal lamellar cuts quantified using atomic force microscopy[J].J Cataract Refract Surg,2013,39(1):110-117.