A scientist, physician and surgeon, optometrist and ophthalmologist, Dr. Greiner holds three doctoral degrees. He has authored over 130 publications in the scientific and medical literature and holds 6 U.S. patents and corresponding foreign patents as a co-inventor in the areas of dry eye treatment and treatment of the integument. With extensive training as both a basic and clinical scientist, many of these publications integrate both basic sciences and clinical medicine.
Over 150 scientific papers of Dr. Greiner 30 years of biomedical research have been presented at over 110 domestic and foreign meetings. Half of his time is devoted to scientific and clinical medical research, with the other half dedicated to clinical medicine in the fields of ophthalmology and surgery.
With a Ph.D., Dr. Greiner completed post doctoral research fellowship training at the Howe Laboratory of Ophthalmology at Harvard Medical School and the Massachusetts Eye and Ear Infirmary (1974-1976) and an additional research fellowship on an NIH National Research Service Award (NRSA) at the Schepens Eye Research Institute (1976-1978) while simultaneously completing a doctorate in Optometry at the New England College of Optometry in Boston (1978). After a number of research accomplishments, Dr. Greiner received a 4-year scholarship to medical school at Midwestern University. Following graduation from medical school (1982), Dr. Greiner completed internship at Cook County Hospital in Chicago (1982-1983). After completing ophthalmology residency at Georgetown University Medical Center (1983-1986) in Washington, D.C., Dr. Greiner served as a Clinical Fellow in cornea and external diseases of the eye at the Cornea Service of the Massachusetts Eye and Ear Infirmary and Harvard Medical School (1986-1988) and was board certified in ophthalmology by the American Academy of Specialist in Surgery (1993).
In 1978 Dr. Greiner joined the faculty at the Schepens Eye Research Institute as Adjunct Assistant Scientist. Dr. Greiner served as the Assistant Professor (1979-1983) and later as Associate Professor (1983-1987) in the Department of Pathology at Midwestern University and as Research Professor of Ophthalmology (1981-1983) at the University of Illinois Eye and Ear Infirmary. In 1988 he was appointed to the faculty of Harvard Medical School as Instructor in Ophthalmology and the faculty of the Schepens Eye Research Institute as Adjunct Assistant Scientist. Presently Dr. Greiner is Clinical Instructor in Ophthalmology (1991-present) at the Schepens Eye Research Institute, Clinical Associate Professor (1999-present) at the University of New England College of Osteopathic Medicine, and Assistant Clinical Professor (2000-present) at Tufts University of Medicine.
Dr. Greiner presently conducts laboratory research at the Schepens Eye Research Institute, Harvard Medical School, investigating problems of the ocular surface and their sequelae. In addition to serving on the faculty of three medical schools, he is a member of the medical staff of five hospitals in the Greater Boston area, a surgical center in Andover, an excimer laser eye center in Boston, and in on the consulting staff of Spaulding Rehabilitation Hospital in Boston.
Dr. Greiner is a Fellow of the American Academy of Specialist in Surgery, an Osteopathic Fellow of the American Academy of Ophthalmology, and had been honored as a Distinguished Practitioner and member of the National Academies of Practice. He is a past President of the American Academy of Specialist in Surgery, currently an Academy officer and a member of 10 medical and scientific societies. Dr. Greiner has served as an editorial board member and a scientific reviewer for numerous research and clinical journals. He serves on the National Board of Directors of Prevent Blindness Massachusetts an affiliate of the National Society to Prevent Blindness. Dr. Greiner is a founding member and member of the Board of Directors of Ocular Research of Boston (LECB, Inc.) for keratorefractive surgery and Charles River Eye Associates of Boston.
Dr. Greiner has had continuous grant support for his basic science and clinical research studies for the past 26 years. He has served as principal investigator as well as co-investigator on National Institutes of Health (NIH) grants and in over 50 FDA clinical trials. He has been an invited speaker at numerous regional, national and international meetings. With collaborators, Dr. Greiner published the original clinical and histopathologic characterization of the "second" mucus secretory system of the conjunctiva, developed a method of treatment for meibomian gland dysfunction, and pioneered the applications of 31 P NMR spectroscopy in ophthalmology as documented in his list of publications. Dr. Greiner's lectures, clinical and basic science research, and clinical and surgical practice underscore his commitment to academic and clinical medicine.