1. 1Cornea Research Chair, Department of Optometry, College of Applied Medical Sciences, King Saud University, P.O. Box 10219, Riyadh 11433, Saudi Arabia
2. 2Department of Chemistry, College of Science and Humanities, Shaqra University, Duwadimi, Saudi Arabia
3. 3Applied Organic Chemistry Department, National Research Centre, Dokki, Giza, Egypt
4. 4Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P.O. Box. 2457, Riyadh 11451, Saudi Arabia
5. 5Faculty of Pharmacy, Department of Medicinal Chemistry, University of Mansoura, Mansoura 35516, Egypt