Author = Nour El-Din Abd El-Hamid Abd El-Halim
PREVALENCE OF KERATOCONUS IN EGYPTIAN ASTIGMATIC PATIENTS

Volume 50, Issue 4, October 2021, Pages 2643-2654

Mohammed El-Sayed Fawzy Abd El-Hafez; Ahmed Salah Abd El-Rehim; Nour El-Din Abd El-Hamid Abd El-Halim