Long-Term Comparison of Simultaneous Topography-Guided Photorefractive Keratectomy Followed by Corneal Cross-linking versus Corneal Cross-linking Alone

G*Power 3: A flexible statistical power analysis program for the social, behavioral, and biomedical sciences

Franz Faul, Edgar Erdfelder, Albert-Georg Lang et al. · Behavior Research Methods · 2007 · 64.1K citations · Full text

Public Health, Behavioral Sciences, Biostatistics +13

Riboflavin/ultraviolet-a–induced collagen crosslinking for the treatment of keratoconus

Gregor Wollensak, Eberhard Spoerl, Theo Seiler · American Journal of Ophthalmology · 2003 · 2.9K citations

Medicine, Dermatology, Ophthalmology +12

Collagen crosslinking with riboflavin and ultraviolet-A light in keratoconus: Long-term results

F Raiskup-Wolf, A. Hoyer, Eberhard Spoerl et al. · Journal of Cataract & Refractive Surgery · 2008 · 952 citations

Medicine, Dermatology, Ophthalmology +17

A Randomized, Controlled Trial of Corneal Collagen Cross-Linking in Progressive Keratoconus

Christine Wittig-Silva, Elsie Chan, Amirul Islam et al. · Ophthalmology · 2014 · 707 citations · Full text

Medicine, Ophthalmology, Surgery +13

Comparison of Sequential vs Same-Day Simultaneous Collagen Cross-Linking and Topography-Guided PRK for Treatment of Keratoconus

Anastasios John Kanellopoulos · Journal of Refractive Surgery · 2009 · 315 citations

Medicine, Ophthalmology, Surgery +17