• Degree of doctorate in medicine from Shiraz University of Medical Sciences (1954-1960)
• Resident in ophthalmology & ENT (1960 -1961)
• Resident fellowship in corneal Immunology, the Wilmer Eye Institute. (1964-1965)
• Resident fellowship in corneal Immunology, the Johns Hopkins University of medical sciences (1972-1982)
• Professor in Ophthalmology, Department of Ophthalmology, USA, Johns Hopkins (1962-1964)
• Scientific position: Professor , Yale University School of Medicine
• Scientific position: Professor, the Johns Hopkins University School of Medicine
• Guest Professor in Wilmer Eye Institute
• Guest Professor in Johns Hopkins Medical School
• Head of Connecticut Eye Care Center
• Member of the American Academy of Ophthalmology
• Member of the American Society for the Advancement of Science
• Founder of the Orbis Institute (Mobile Ophthalmology Hospital, which operates in the most deprived countries in the world, including Africa)
• Member of the United States Transplant Council
• Member of the American Medical Association
• Member of the American Society of Eye and Ophthalmology
• Member of the Board of Directors of Ophthalmology
• Professor and Director of the Ophthalmology Department, Faculty of Ophthalmology, Shiraz University of Medical Science

Professor Khodadoust devoted his life to studying corneal diseases and transplantation biology in ophthalmology. Several famous American ophthalmologists recognized him as the world’s best corneal graft surgeon. Professor Khodadoust achieved impressive findings in this field due to which “Khodadoust rejection line” (Corneal Endothelial Rejection), is internationally named after him.