Greg Caldwell, OD, FAAO

Greg Caldwell, OD, 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) and a Diplomate of the American Board of Optometry (ABO).

He currently works in Duncansville and Johnstown, 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. Dr. Caldwell has lectured extensively throughout the county and over twelve 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.

Joseph J. Pizzimenti, O.D., F.A.A.O.

Dr. Joseph Pizzimenti is an internationally-recognized speaker and author, and a Fellow of both the American Academy of Optometry (AAO) and the Optometric Retina Society (ORS). He served as ORS President from 2012-2014.

Dr. Pizzimenti has completed funded clinical research in the areas of diabetes, age-related macular degeneration, vitreomacular adhesion, and low vision. His scientific articles and have appeared in a host peer-reviewed journals. Dr. Pizzimenti co-authored a chapter on Diabetic Retinopathy in the textbook entitled Diabetes in Black America.

Dr. Pizzimenti enjoys traveling and spending quality time with his wife, Dr. Claire Pizzimenti, and their three children.

Tracy Offerdahl, PharmD, BPharm, RPh

Dr. Offerdahl attended Temple University School of Pharmacy in Philadelphia, PA, for both her undergraduate and graduate degrees. Upon completion of her Doctor of Pharmacy degree, she completed a Residency at Temple University Hospital, where much of her time was spent in internal medicine and infectious diseases.

She is currently on faculty at Salus University in the Department of Optometry, where she is the course director and instructor for all systemic pharmacology courses for students in the optometry, audiology, and physician assistant programs. Additionally, she is a practicing clinical pharmacist with a pharmacy and a patient care practice site in Rosemont, PA.

Dr. Offerdahl is currently earning another degree in holistic medicine, as well as additional certifications in veterinary pharmacy. She lectures extensively in the optometry community.