Anthony Antonello, MD, FACS

Dr. Antonello joined Riddle Eye Associates in 1989. As a board certified ophthalmologist, he practices comprehensive ophthalmology with a special interest in cataract and cataract surgery. He completed medical school at the Medical College of Pennsylvania and residency training in ophthalmology at West Virginia Universtiy in Morgantown, WV in 1989.

In addition to Riddle Memorial Hospital, Dr. Antonello is on staff at Roxborough Memorial Hospital, Fair Acres Geriatric Center and Taylor Hospital in Ridley Park, PA. Dr. Antonello is the current Chief-of-Ophthalmology at Riddle Memorial Hospital.




Aaron Cohn, MD, BC

Dr. Cohn joined our practice from Michigan where he was the Glaucoma specialist for a large twelve physician practice. He moved here to be closer to family. He will continue to practice glaucoma as well as perform cataract and comprehensive ophthalmology. Dr. Cohn graduated from Jefferson Medical College in 2005, completed his ophthalmology residency at the Beaumont Eye Institute in 2009 and went for further training in a surgical glaucoma fellowship at the University of Illinois in Chicago in 2009-2010.

In addition to being on staff at Riddle Hospital, Dr. Cohn is on staff at Taylor Hospital, Crozer- Chester and Fair Acres Geriatic Center. He enjoys distance running, ultimate frisbee and traveling.


Dr. Aaron Cohn



Peter V. Palena, MD, FACS

Dr. Palena has been with Riddle Eye Associates since 1989. Prior to that time, Dr. Palena was practicing ophthalmology for approximately 20 years in partnership with Dr. Edward A. Jaeger at the Media Clinic and at Riddle Memorial Hospital. As a board certified ophthalmologist, he practices comprehensive ophthalmology with a special interest in retinal diseases and diabetes. He completed medical school and his ophthalmology residency training at Jefferson Medical College and received a retinal fellowship from Wills Eye Hospital in Philadelphia, PA in 1970.

In addition to Riddle Memorial Hospital , Dr. Palena is a Clinical Professor of Ophthalmology and on staff at Thomas Jefferson University Hospital, Wills Eye Institute and is a consulting ophthalmologist at Fair Acres Geriatric Center in Lima, PA.

Dr. Britt J. Parvus

Dr. Britt J. Parvus, a board certified ophthalmologist who specializes in managing diseases of the retina, completed her undergraduate studies at Pennsylvania State University, where she majored in Nutrition Science. She then earned her medical degree from the Philadelphia College of Osteopathic Medicine, where she also completed her residency in ophthalmology and was appointed chief resident. Dr. Parvus was then honored with an ocular oncology fellowship and selected among her peers to serve as chief fellow at Wills Eye Hospital. She then completed a second fellowship in medical retina at Sinclair Retina Associates, P.C.

Her clinical interests include macular degeneration, ocular tumors, and vascular conditions of the retina including diabetic retinopathy and vein occlusions. She deeply values the relationships she builds with her patients and is passionate about restoring and maintaining their precious vision.

Dr. Parvus maintains memberships in both regional and national medical societies including the Wills Eye Hospital Society, the American Society of Retina Specialists, the American Academy of Ophthalmology, the American Osteopathic College of Ophthalmology and Otolaryngology, and the Greater Philadelphia Ophthalmic Society.

Recognized for her medical and humanitarian efforts, Dr. Parvus volunteers at Haiti Clinic, Inc., a free clinic that provides access to medications and physicians as well as basic necessities such as clean water, adequate nutrition, education, and sanitation. She has been instrumental in the development of health services to the population that Haiti Clinic serves.

Outside of work, Dr. Parvus enjoys being active as well as spending time with family and friends. She recently returned to the Philadelphia area, not just to be closer to her beloved Phillies, but also to be closer to her Philadelphia-born fiancé, and she is happy to be back!










Jill McAdams O.D.

Dr. McAdams joined Riddle Eye Associates in 2012 on a part-time basis.  She received her Doctorate of Optometry from the Pennsylvania College of Optometry in 2006.  Dr. McAdams graduated with clinical honors and is nationally board certified.  She practices full scope optometry including comprehensive eye exams and the detection and management of ocular conditions and diseases.  She focuses on contact lens exams and fittings, including various designs of soft and gas permeable contact lenses. 



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