Dr. Gaster is a board certified, fellowship trained Ophthalmologist, and a Clinical Professor of Ophthalmology at the Gavin Herbert Eye Institute, UC Irvine and at Jules Stein Eye Institute, UCLA. He is also in private practice in Beverly Hills, and is a pioneer in the field of refractive surgery. He was a Principal Investigator for the excimer laser, and now uses the femtosecond laser for cataract surgery, LASIK, SMILE and other advanced corneal techniques and is researching and performing Corneal Cross-Linking in adults and adolescents to halt progression of keratoconus disease.
He is on staff at Cedars Sinai Medical Center in Los Angeles, Long Beach Memorial Medical Center, and UC Irvine Medical Center. Dr. Gaster has been selected by his peers to Best Doctors in America since 1996, U.S. News & World Report's Top Doctors, Los Angeles Magazine's SuperDoctors, and other honors and awards including the American Academy of Ophthalmology Achievement and Honor Awards and was nominated as Clinician of the Year at UC Irvine Medical Center. Dr. Gaster is a past President of the Orange County Society of Ophthalmology, and is a graduate of Cornell University, UCLA School of Medicine and The University of Chicago.
Dr. Gaster appeared as an expert and guest doctor on the national, Emmy award winning television show, “The Doctors.” He performed femtosecond laser-assisted corneal transplant and corneal cross-linking surgeries for the show and has made additional appearances. He was one of the first twenty corneal surgeons internationally to perform Femtosecond Laser-Assisted Penetrating Keratoplasty and additionally uses the femtosecond laser for cataract surgery, LASIK, SMILE and other advanced corneal techniques. He has a special interest in treating dry eye disease. He has over 85 peer reviewed journal publications, abstracts and book chapters, including most recently in the “Journal of Refractive Surgery,” “British Journal of Ophthalmology,” “Cornea” and “Ophthalmology.” Recently, he was guest editor for the “International Ophthalmology Clinics.” Dr. Gaster also enjoys going on medical missions and has taught corneal and cataract surgery in Africa, China, India and South America.