National Outcomes of Cataract ExtractionJonathan C. Javitt, C. P. Wilkinson, Marilyn Bergner et al.|Ophthalmology|1992Cited by 305
United States Multicenter Clinical Trial of Corneal Collagen Crosslinking for Keratoconus TreatmentPeter S. Hersh, Steven Trokel, R. Doyle Stulting et al.|Ophthalmology|2017Cited by 253
U.S. Multicenter Clinical Trial of Corneal Collagen Crosslinking for Treatment of Corneal Ectasia after Refractive SurgeryPeter S. Hersh, Steven Trokel, R. Doyle Stulting et al.|Ophthalmology|2017Cited by 108