Wills Eye Physicians Thorp Bailey Weber is a medical and surgical practice that has provided high quality eye care since 1970. Our practice offers comprehensive eye care with special attention to cataract surgery.  We also offer specialized care in areas such as LASIK, contact lens fittings, glaucoma, diabetic eye disease, macular degeneration, dry eyeblepharitis and low vision. We have a full service optical shop within our office for the convenience of our patients.


Our surgeons are Wills Eye Hospital trained. They offer advanced surgical options such as laser assisted catarct surgery, dropless cataract surgery and minimally invasive glaucoma surgery. They are skilled in the use of all of the intraocular lens choices available to patients (standard, multifocal/accommodative and toric).

Our doctors are on the leading edge of eye care, and are leaders in caring for others. They give regularly of their time to teach resident physicians at Wills Eye Hospital and Chestnut Hill Hosptial, medical students at Thomas Jefferson University Hospital and the University of Pennsylvania, and optometric students from Salus University.  They also lead courses at professional meetings and perform charity surgery internationally.


We look forward to meeting you.







Philadelphia Magazine Top Doctors™ 2018 Ophthalmology – Dr. Robert S. Bailey, M.D.

Dr. Robert S. Bailey, Jr. joined Dr. Thorp in the practice of Ophthalmology in 1984. He was raised in the Philadelphia area, and was a Phi Beta Kappa graduate of Lafayette College in Easton, PA, where he received a Bachelor of Arts Degree in Biology. He attended Hahnemann Medical College, and completed his MD. His Internship was served at Crozer-Chester Medical Center. His Ophthalmology Residency was at Wills Eye Hospital, where he was elected to serve as Co-Chief Resident. Upon completion of his residency, he began private practice in Comprehensive Ophthalmology.


Dr. Bailey is a diplomate of the American Board of Ophthalmology, and a Fellow of the American College of Surgeons. He is an active medical staff member of Wills Eye Hospital, where he is the Chief of the Cataract and Primary Eye Care Service. He is also on active staff at Chestnut Hill Hospital, and currently serves as Chief of its Division of Ophthalmology. He serves on numerous committees at Wills, and has an integral role there in teaching surgery to Ophthalmology residents. He is a Clinical Associate Professor at Thomas Jefferson University. His numerous publications, presentations, and lectures focus on cataract and anterior segment surgery and their complications. Dr. Bailey’s practice emphasizes excellence in cataract surgery in both routine and high-risk patients. He also provides meticulous diagnosis and treatment of comprehensive ophthalmology patients.


Dr. Amy E. Weber began her full-time private practice here in August 2000. She is originally from Greensburg, Pennsylvania, and received her Bachelor of Science Degree from Allegheny College in Meadville, PA. She performed Neuroscience research for several years, and completed a Master of Science Degree at the University of Pittsburgh. She then attended the University of Pittsburgh School of Medicine, and graduated with an MD and the distinction of being first in the medical school class. She was also inducted into Alpha Omega Alpha, the national medical school honor society. Internship was completed at the Fairfax Hospital Transitional Medicine Program of Georgetown University. Ophthalmology residency was performed at Wills Eye Hospital in Philadelphia. Immediately following her training, she joined Drs. Thorp and Bailey, and has a busy medical and surgical practice in Comprehensive Ophthalmology.


Dr. Weber is a diplomate of the American Board of Ophthalmology, and is an active medical staff member at Wills Eye Hospital and Chestnut Hill Hospital. Her practice of Ophthalmology includes the diagnosis and treatment of a variety of medical conditions of the eyes, including but not limited to cataracts, glaucoma, diabetes, eyelid and ocular surface diseases, neuro-ophthalmic conditions, and macular degeneration. She sees patients of all ages, both with and without ocular diseases. She performs surgery at the Wills Surgery Center in Plymouth Meeting. She is active in teaching medical students and residents at both Wills and Chestnut Hill. Her philosophy of practice emphasizes compassionate and thorough examinations and treatment, to ensure optimization and preservation of vision.


Dr. Douglas M. Wisner was born in Maryland and attended Elizabethtown College in Central Pennsylvania, where he studied physics with minors in chemistry and biology, and graduated with honors. He then attended Penn State College of Medicine in Hershey, Pennsylvania where he was elected to Alpha Omega Alpha. His internship was served at Albert Einstein Medical Center in Philadelphia and he completed his residency in ophthalmology at the Wills Eye Hospital. Dr. Wisner was chief resident during his final year at Wills.


Dr. Wisner serves on the Cataract and Primary Eye Care Service at Wills Eye Hospital where he enjoys teaching both medical students and residents on a weekly basis, and serves on the resident selection committee. He is also a member of the staff of Chestnut Hill Hospital, Einstein Medical Center Montgomery, and Thomas Jefferson University Hospital. Dr. Wisner is a board certified ophthalmologist, a member of the American Academy of Ophthalmology, American Society of Cataract and Refractive Surgeons, and the American Medical Association.


Dr. Wisner joined the practice in 2012. In his practice of comprehensive ophthalmology, he sees patients with and without ocular disease and is comfortable diagnosing and treating patients with a wide variety of conditions. His surgical interests include cataract and anterior segment surgery. He also performs laser refractive eye surgery (LASIK/PRK) and functional eyelid surgery. He has a particular interest in laser assisted cataract surgery, advanced technology intraocular lenses (multifocal and astigmatism correcting), and complex anterior segment surgery including cataract surgery after LASIK or retinal detachment, sutured intraocular lens implants, and iris repairs.


He is involved in international ophthalmology and has made mission trips to Ecuador, Kenya and most recently Ghana. He was a founder of and serves as an advisor for the Wills Eye Resident International Experience, which sends physicians in training abroad in order to develop a love for international service, learn new techniques, and facilitate collaborative research. His philosophy of practice emphasizes patient centered care to improve quality of life through the restoration and improvement of vision.


Dr. Wisner resides in Mt. Airy with his wife, two sons, and four crazy cats.  He is an active member of his church and enjoys spending time with his family as well as home brewing, gardening and home repair.


Dr. Philip A. Kosvitch joined the practice in the summer of 2005. He graduated from the Pennsylvania College of Optometry in 1999 and has since practiced locally in Lafayette Hill, Wayne, Huntington Valley and Northeast Philadelphia. He is originally from Mt. Carmel, PA and received his Bachelor of Arts Degree in Biology from Lycoming College in Williamsport, PA. As part of his training, Dr. Kosvitch completed internships in Atlanta, GA and Charleston, SC as well as Veterans Hospital in Lebanon, PA and the Eye Institute at the Pennsylvania College of Optometry.


Dr. Kosvitch served as a preceptor for the Pennsylvania College of Optometry internship program and summer clerkship program, working closely with third and fourth year students. He is therapeutically licensed and sees patients of all ages. His focus is on primary care and contact lenses. He also provides low vision services for patients with impaired vision not correctable with conventional eyewear.

Wills Eye Physicians Thorp Bailey Weber


4060 Butler Pike | Suite 100
Plymouth Meeting, PA 19462 | 215-836-1290


840 Walnut Street | Suite 1240
Philadelphia, PA 19107 | 215-836-1290