Our Doctors

Family Eye Group offers patients of all ages a specialist’s care for eye problems. Our physicians, Drs. David Silbert, Donna Leonardo, Michael Pavlica, David Armesto, Anh Nguyen and Garry Leckemby pledge state-of-the-art equipment, leading-edge medical care and a constant search for the newest effective treatments. We also pledge that along with excellent medical care, you will receive the best customer service from a staff that is dedicated to our patients.

David I. Silbert, M.D., F.A.A.P.

Pediatric Ophthalmology & Strabismus Specialist
Oculoplastics, Reconstructive and Cosmetic Eyelid Surgery Specialist


Dr. SilbertDr. David I. Silbert graduated from Wesleyan University in Middletown, Connecticut in 1984. He completed his medical training at Case Western Reserve University School of Medicine in Cleveland, Ohio in 1989, with an area of concentration in clinical decision analysis.

Dr. Silbert completed an internship in internal medicine at the Washington Hospital Center in 1990 and an ophthalmology residency at the Georgetown University Hospital Center for Sight in Washington, DC in 1993. This was followed by a fellowship in oculoplastic and orbital surgery at Wills Eye Hospital in 1994 and a second fellowship in pediatric ophthalmology and strabismus at St. Christopher’s Hospital for Children, Holy Redeemer Hospital and Wills Eye Hospital, finished in 1995.

Dr. Silbert specializes in the diagnosis and treatment of pediatric and adult strabismus, amblyopia, congenital cataracts, nasolacrimal obstruction and other pediatric eye diseases. He also specializes in cosmetic and reconstructive eyelid surgery, as well as orbital surgery.

Dr. Silbert has been involved as an investigator for the Balloon Catheter Technique to improve tearing. He has also been an investigator for the Amblyopia Treatment Studies, national studies looking at lazy eye. He has been invited to lecture on “The Use of the Photoscreener to Detect Amblyopia” at national meetings.

Dr. Silbert is a Diplomate of the American Board of Ophthalmology and is a full member of the American Association for Pediatric Ophthalmology and Strabismus (AAPOS). He has also been elected a fellow of the American Academy of Pediatrics. With his full membership in the American Association for Pediatric Ophthalmology and Strabismus (AAPOS) and fellowship in the American Academy of Pediatrics, Dr. Silbert became the first pediatric ophthalmologist in Lancaster County to offer such high credentials in the care of his young patients.

Donna Leonardo, D.O.

Specialist in Glaucoma and Related Diseases


Dr. Leonardo Dr. Donna Leonardo is the glaucoma specialist and a cataract surgeon for Family Eye Group. Dr. Leonardo is fellowship trained in glaucoma, a sight-threatening eye disorder. She specializes in the diagnosis and treatment of all kinds of glaucoma. This covers an array of medical, laser and surgical options. The scope of her experience includes the various pediatric, secondary and end stages of all types of open and closed angle glaucoma. She is able to perform sight-saving laser surgery in our office under topical eye drop anesthesia.

Dr. Leonardo received her undergraduate degree from Rutgers University. She graduated from the Philadelphia College of Osteopathic Medicine, where she also completed her internship and her residency in ophthalmology. Dr. Leonardo continued her postgraduate education with fellowship training in Glaucoma and Related Diseases at Albany Medical Center in Albany, NY.

Dr. Leonardo is a Diplomate of the American Osteopathic Board of Ophthalmology. Her most recent research interest has led to an international collaboration on the genetics of low tension glaucoma, a little known type of glaucoma.

Dr. Leonardo is on the medical staff of Lancaster General Hospital and Ephrata Community Hospital. She is available to patients at our three offices including the Lancaster Health Campus, Ephrata Community Hospital’s medical offices complex and in Willow Street.

Michael R. Pavlica, M.D.

Medical Retina Specialist
Retina & Vitreous Surgery Specialist


Dr. PavlicaDr. Michael R. Pavlica is our specialist in retina and vitreous diseases and retinal surgery. Dr. Pavlica graduated Phi Beta Kappa from Wesleyan University in Middletown, Connecticut in 1986 with a B.A. in biology. He graduated from New York University School of Medicine in 1990, and then completed an internship at Beth Israel Hospital in Boston, where he served as a clinical fellow at Harvard Medical School.

Dr. Pavlica finished his ophthalmology residency at Boston University School of Medicine in 1994, which was then followed by a two-year fellowship in Diseases and Surgery of the Retina and Vitreous at Baylor College of Medicine in Houston, Texas.

Dr. Pavlica specializes in the diagnosis and treatment of the spectrum of retinal eye disease. He is trained in the medical and surgical management of sight threatening eye disorders including retinal tears and detachments, macular holes, macular degeneration and diabetic eye disease. Dr. Pavlica is able to perform retinal laser surgery in our office under topical “eye drop” anesthesia, as well as retinal cryosurgery and photodynamic therapy and digital imaging. He founded the Diabetic Eye Care and Macular Degeneration Center at Family Eye Group.

Dr. Pavlica is on staff and provides emergency coverage at Lancaster area hospitals. He is a Diplomate of the American Board of Ophthalmology and a member of the American Academy of Ophthalmology, American Society of Retinal Specialists, and the American Medical Association. Dr. Pavlica is past president of the Lancaster County Medical Society.

David M. Armesto, M.D.

Specialist in Cornea External Diseases and Refractive Surgery


Dr. ArmestoDr. David M. Armesto joined Family Eye Group in 2001. Dr. Armesto graduated magna cum laude from St. Bonaventure University in 1977 and received his M.D. from the State University of New York in 1981. He did his internship in family practice at Buffalo General Hospital and did his residency in ophthalmology at the Letterman Army Medical Center in San Francisco, where he was chief resident. He received his fellowship in Cornea, External Disease and Refractive Surgery in 1991 at the University of Texas, Hermann Hospital. He also became a Diplomate of the American Board of Ophthalmology in 1989.

Dr. Armesto has been practicing in the Harrisburg area since 1992. He is a fellowship-trained refractive surgeon with expertise in corneal transplants and refractive surgery techniques. Dr. Armesto was the first physician to perform refractive surgery (LASIK) in the Harrisburg area and has extensive experience in the care of patients desiring surgery as an alternative to glasses and contact lenses.

Dr. Armesto is certified by the American Board of Ophthalmology and is a member of the American Academy of Ophthalmology and the American Society of Cataract and Refractive Surgeons. He is past President of the Central Pennsylvania Ophthalmology Society.

Garry L. Leckemby, O.D.

Management of Ocular Diseases

Dr. ArmestoDr. Garry L. Leckemby graduated from the Pennsylvania State University in 1979 with a B.S. degree in microbiology. He then enrolled in the Pennsylvania College of Optometry earning a B.S. in science in 1983 and his Doctor of Optometry in 1985.

During his optometry training, Dr. Leckemby served as a teaching assistant at the PA College of Optometry and as an Optician’s Assistant at The Eye Institute in Philadelphia. He also served externships in Primary Eye Care, Ocular Pathology, Strabismus, Amblyopia, Management of Ocular Diseases, Low Vision and Contact Lenses.

His postgraduate career has been in the areas of Primary Eye Care, Contact Lenses and co-management of Refractive and Cataract Surgeries.

Dr. Leckemby has participated in numerous Optometric Research Studies involving contact lenses, contact lens solutions and cataract surgery implant lenses.

He is board certified by the State Board of Optometric Examiners. Dr. Leckemby is also a member of the American Optometric Association and the Pennsylvania Optometric Association.

Anh T Nguyen, O.D.

Management of Ocular Diseases

Dr. ArmestoDr Anh T Nguyen graduated from Santa Clara University in California with a BS degree in Biology. She then enrolled in the Pennsylvania College of Optometry in Philadelphia, earning her BS in Science in 1996 and then her Doctor of Optometry in 1998. During her studies at the Philadelphia College of Optometry, Dr Nguyen also served as a teaching assistant in the clinical diagnostics procedure lab. She served externships in Ocular Diseases, Primary Eye Care, Contact Lenses, and Pediatrics in Pennsylvania and California. Prior to joining Family Eye Group in June, 2010, Dr Nguyen worked at Lenscrafters in Camp Hill as the managing optometrist for over 10 years.