1. Screening of Keratoconus Using Autokeratometer and Keratometer Keratoconus Index
   Takashi Kojima et al, 2021, Diagnostics CrossRef
2. Epithelium-on versus epithelium-off corneal collagen crosslinking for keratoconus: a systematic review and meta-analysis
   Grace A. Borchert et al, 2023, Graefe's Archive for Clinical and Experimental Ophthalmology CrossRef