Keratometry in children: Comparison between auto-refractokeratometer, rotating scheimpflug imaging, and biograph Hassan Hashemi, Samira Heydarian, Mehdi Khabazkhoob, Abbasali Yekta, Mohammad Hassan Emamian, Akbar Fotouhi

Verification of conicoidal concave surfaces by keratometry William A. Douthwaite, Edward A.H. Mallen

Agreement between Pentacam and handheld Auto-Refractor/Keratometer for keratometry measurement Hassan Hashemi, Samira Heydarian, Abbas Ali Yekta, Mohamadreza Aghamirsalim, Mahin Ahmadi-Pishkuhi, Mehrnaz Valadkhan, Hadi Ostadimoghaddam, Ahmad Ahmadzadeh Amiri, Mehdi Khabazkhoob