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Theo Seiler (born February 12, 1949 in Ravensburg, Germany) is a German ophthalmologist and physicist. He is considered one of the pioneers of refractive surgery. [1] [ unreliable source? ]
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Theo Seiler (born February 12, 1949 in Ravensburg, Germany) is a German ophthalmologist and physicist. He is considered one of the pioneers of refractive surgery. [1] [ unreliable source? ]
Seiler graduated from gymnasium in 1968 and enrolled the same year at the University of Heidelberg where he studied mathematics and physics. He received his prediploma in physics in 1970 and eventually continued his studies at the Freie Universität of Berlin where he graduated in 1972 with a degree in physics. He also began with his medical studies in the same year.
In 1975 Seiler he commenced his doctorate studies in physics, resulting in the dissertation "Modulated dynamic nuclear polarization of the nuclei of smaller gyromagnetic ratios" at the Free University of Berlin and started his teaching profession for higher education (mathematics and physics) in the following year. At the same time he continued his medical studies and passed the medical state examination in 1981 and was granted a license to practice medicine in 1982.
He worked as medical assistant in 1981 at the Eye Clinic of the Free University of Berlin and was promoted to be lecturer in 1982. His doctorate followed in 1984 with a thesis on "Linearity of tonometry" for which he received his title as Dr. med. summa cum laude. In 1986 he became a specialist registrar in ophthalmology and also became senior physician at the University Eye Clinic of the Free University of Berlin, eventually also being appointed in 1989 as Deputy Head. He habilitated at the Free University of Berlin in 1987 with his scientific paper "Refractive corneal surgery" and was appointed as professor in ophthalmology in 1989.
On October 1, 1993 Seiler was appointed professor at the Department of Ophthalmology and Chairman of the Department of Ophthalmology at the Carl Gustav Carus University Hospital of the University of Technology of Dresden. He kept this position until January 1, 2000 when he was appointed as Chairman of the Department of Ophthalmology of the University of Zürich.
In October 2002, he founded the Institute for Refractive and Ophthalmic Surgery (IROC) in Zurich. His work and research interests include corneal surgery, especially refractive corneal surgery, surgery of the anterior segment and physiological Optics.
Seiler is a member of the German Ophthalmological Society (DOG), the American Academy of Ophthalmology (AAO), the Swiss Ophthalmological Society (SOG), the American Society of Refractive and Cataract Surgery (ASCRS), the European Cornea Society (EuCornea), the International Society of Refractive Surgery (ISRS) and served as boardmember for the DOG, ISRS and EuCornea.
Far-sightedness, also known as long-sightedness, hypermetropia, or hyperopia, is a condition of the eye where distant objects are seen clearly but near objects appear blurred. This blurred effect is due to incoming light being focused behind, instead of on, the retina wall due to insufficient accommodation by the lens. Minor hypermetropia in young patients is usually corrected by their accommodation, without any defects in vision. But, due to this accommodative effort for distant vision, people may complain of asthenopic symptoms during prolonged reading. Some hypermetropes can see clear at distance, but near vision may be blurred due to insufficient accommodation. For this reason, this defect is referred as far-sightedness. If the hypermetropia is high, there will be defective vision for both distance and near. People may also experience accommodative dysfunction, binocular dysfunction, amblyopia, and strabismus. Newborns are almost invariably hypermetropic, but it gradually decreases as the newborn gets older.
LASIK or Lasik, commonly referred to as laser eye surgery or laser vision correction, is a type of refractive surgery for the correction of myopia, hyperopia, and an actual cure for astigmatism, since it is in the cornea. LASIK surgery is performed by an ophthalmologist who uses a laser or microkeratome to reshape the eye's cornea in order to improve visual acuity. For most people, LASIK provides a long-lasting alternative to eyeglasses or contact lenses.
Photorefractive keratectomy (PRK) and laser-assisted sub-epithelial keratectomy (LASEK) are laser eye surgery procedures intended to correct a person's vision, reducing dependency on glasses or contact lenses. LASEK and PRK permanently change the shape of the anterior central cornea using an excimer laser to ablate a small amount of tissue from the corneal stroma at the front of the eye, just under the corneal epithelium. The outer layer of the cornea is removed prior to the ablation.
Refractive eye surgery is optional eye surgery used to improve the refractive state of the eye and decrease or eliminate dependency on glasses or contact lenses. This can include various methods of surgical remodeling of the cornea (keratomileusis), lens implantation or lens replacement. The most common methods today use excimer lasers to reshape the curvature of the cornea. Refractive eye surgeries are used to treat common vision disorders such as myopia, hyperopia, presbyopia and astigmatism.
Corneal cross-linking with riboflavin (vitamin B2) and UV-A light is a surgical treatment for corneal ectasia such as keratoconus, PMD, and post-LASIK ectasia.
Gustavo E. Tamayo is a Colombian ophthalmologist known for developing a refractive surgery method known as Contoured Ablation Patterns (CAP), which enables doctors to make surgeries faster and at an easier rate. Tamayo has also developed and patented a procedure to treat presbyopia, which is at the moment being tested by AMO in order to massively apply this procedure in a global manner once approved by the FDA. He also has other patents dealing with cataract removal through laser application. Tamayo was designated subdirector of the Subspecialty Refractive Surgery Day at American Academy of Ophthalmology meeting in 2008 which took place in Atlanta and was appointed director for the same meeting in its 2009 edition. He is the president and founder of a surgical eye clinic in the north of Bogotá founded in 2001 called Bogota Laser Ocular Surgery Center. Tamayo also serves as a Member of the Medical Advisory Board at AMO, Presbia, Keramet and currently serves as the medical director for Latin America of Avedro. Tamayo is a member of various medical associations, including the American Academy of Ophthalmology, The Cornea Society, and both the American and European Societies of Cataract & Refractive Surgery.
Gholam A. Peyman is an ophthalmologist, retina surgeon, and inventor. He is best known for his invention of LASIK eye surgery, a vision correction procedure designed to allow people to see clearly without glasses. He was awarded the first US patent for the procedure in 1989.
Jeff Machat MD, FRCSC, DABO is an ophthalmologist in the United States and Canada specializing in surgical vision correction better known as refractive eye surgery.
Peter S. Hersh is an American ophthalmologist and specialist in LASIK eye surgery, keratoconus, and diseases of the cornea. He co-authored the article in the journal Ophthalmology that presented the results of the study that led to the first approval by the U.S. Food and Drug Administration (FDA) of the excimer laser for the correction of nearsightedness in the United States. Hersh was also medical monitor of the study that led to approval of corneal collagen crosslinking for the treatment of keratoconus.
Raymond Mark Stein, MD, FRCSC, DABO, is a Canadian ophthalmologist. He practices refractive and cataract surgery. He is the medical director of the Bochner Eye Institute in Toronto, Ontario and Chief of Ophthalmology at the Scarborough General Hospital.
Post-LASIK ectasia is a condition similar to keratoconus where the cornea starts to bulge forwards at a variable time after LASIK, PRK, or SMILE corneal laser eye surgery. However, the physiological processes of Post-Lasik ectasia seem to be different from Keratoconus. The visible changes in the basal epithelial cell and anterior and posterior keratocytes linked with keratoconus were not observed in post-LASIK ectasia.
Dr Amar Agarwal M.S., FRCS, F.R.C.Ophth is an Indian ophthalmologist and Chairman and Managing Director of Dr. Agarwal's Eye Hospital and Eye Research Centre in India, which includes 95+ eye hospitals. He is the recipient of the Best Doctor award of the State government from then Chief Minister of Tamil Nadu J Jayalalithaa on 15 August 2014. He is also the past President of the International Society of Refractive Surgery (ISRS) and Secretary General of the Intraocular Implant and Refractive Society of India (IIRSI).
Farhad Hafezi is a prominent Swiss eye surgeon and researcher. Hafezi first gained recognition as a leading retina researcher in 1994, having been the first to discover a gene responsible for light-induced retinal degeneration. However, he changed his research focus to the cornea in 2003, and it is this work, particularly on corneal collagen cross-linking (CXL), which he helped pioneer, and advanced laser refractive surgery that he is internationally known for today. Hafezi's current clinical and laboratory research is focused on gaining a better understanding of the cornea. His research group at the University of Zurich has three main research foci:
Berthold Seitz is a German ophthalmologist, professor and director of the Department of Ophthalmology at the Saarland University Medical Center in Homburg, Saarland. He is known for his scientific contributions in the fields of cornea transplantation, cataract surgery and artificial lens-calculation after refractive corneal surgery as well as techniques of amniotic membrane transplantation and its histological integration patterns in the cornea.
Noel Alpins is an Australian ophthalmologist who developed the Alpins method of astigmatism analysis used in refractive, corneal, and cataract surgery, used in the research of LASIK.
John Marshall MBE, FMedSci, PhD, DSc, FRCPath, FRSB, FRCOphth(Hon), FRCOptom(Hon), FARVO is a British medical scientist and inventor. Currently he is the Frost Professor of Ophthalmology at the Institute of Ophthalmology UCL and Emeritus Professor King's College London. He is a pioneer of laser eye surgery.
PiXL is a modern non-invasive non-surgical vision correction procedure.
Dimitri Azar M.D. is an American ophthalmologist, professor, and businessman who leads Twenty Twenty Therapeutics, a joint venture established by Santen and Verily. Dr. Azar has held roles at Novartis and Verily, Alphabet's Life sciences research organization. He served as dean of the College of Medicine at the University of Illinois at Chicago (UIC) from 2011 to 2018.
Herbert Edward Kaufman is an American ophthalmologist who discovered idoxuridine, the first clinically useful antiviral agent; co-developed with William Bourne the clinical specular microscope to view the live corneal endothelium, co-developed timolol with Thomas Zimmerman, a new class of medications to treat glaucoma; corneal storage media for eye banks; natamycin, the first commercially available medication to treat fungal infections of the eye; co-developed with Tony Gasset the use of bandage contact lenses; and was involved in the first laser vision photorefractive keratectomy of the eye with Marguarite McDonald.
Anastasios John Kanellopoulos is a Greek-American eye surgeon specializing in corneal transplantation, cornea crosslinking for keratoconus, complicated cataract surgery and complicated glaucoma. Widely known for research and clinical contributions in micro-incision cataract, customized laser refractive surgery and corneal cross-linking propagation and most innovations, reducing corneal transplants for advanced keratoconus.
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