Greg Caldwell, OD, FAAO

Greg Caldwell, O.D., is a 1995 graduate of the Pennsylvania College of  Optometry. He completed a one-year residency in primary care and ocular disease at The Eye Institute in Philadelphia Pennsylvania. He is a fellow of the American Academy of Optometry (AAO), a Diplomate of the American Board of Optometry (ABO), member of the Optometric Glaucoma Society (OGS), and member of the Optometric Wellness and Nutritional Society (OWNS). He currently works in Duncansville, Pennsylvania as an ocular disease consultant. Dr. Caldwell’s primary focus is the diagnosis and management of anterior and posterior segment ocular disease, and he has been a participant in multiple FDA investigations and trials. Dr. Caldwell has integrated nutrition, prevention, and wellness into his patient care. He practices integrative optometry. Dr. Caldwell is a co-founder of Optometric Education Consultants and co-administrator of OCT Connect on Facebook. Dr. Caldwell has lectured extensively throughout the county and over thirteen countries internationally. In 2010 he served as President of the Pennsylvania Optometric Association (POA) and served on the AOA Board of Trustees 2013-2016. He is President of the Blair/Clearfield Association for the Blind.

Joseph Sowka, OD, FAAO, Diplomate

Dr. Joseph Sowka is an attending optometric physician at Center for Sight in Sarasota and Venice, Florida, a large medical-surgical practice where he focuses on glaucoma and neuro- ophthalmic disease management. He is the residency education coordinator at Center for Sight. He is also Director of Optometric Business Development for US EYE. He was formerly Professor of Optometry at Nova Southeastern University College of Optometry for 28 years where he served numerous academic and administrative roles. Dr. Sowka is a founding member of both the Optometric Glaucoma Society and Optometric Retina Society. He is also the Founder and former Chair of the Neuro-Ophthalmic Disorders in Optometry Special Interest Group for the American Academy of Optometry. Dr. Sowka is a Glaucoma Diplomate of the American Academy of Optometry. In 2021 and 2022, he was ranked #4 optometrist in the US by Newsweek magazine “America’s Best Eye Doctors” list. In 2023, he was ranked #1 optometrist in the US Newsweek ratings. He is a partner and co-owner of Optometric Education Consultants.

Rita Singh, MD