Our Speakers 19 hours of CE of which 16 are CEE/TQ
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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, Florida, a large medical-surgical practice where he focuses on glaucoma management and neuro-ophthalmic disease. He was formerly Professor of Optometry at Nova Southeastern University College of Optometry for 28 years where he served as Chief of The Advanced Care Service and Director of the Glaucoma Service at the College’s Eye Institute. He was the Program Coordinator and Supervisor for the Ocular Disease Residency. Dr. Sowka is a founding member of both the Optometric Glaucoma Society and Optometric Retina Society. He is also the Founder and 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. He is a partner and co-owner of Optometric Education Consultants.
Nate Lighthizer, O.D., F.A.A.O
Born and raised in Bismarck, North Dakota, Dr. Nate Lighthizer, O.D., F.A.A.O., is a graduate of Pacific University College of Optometry. Upon graduation, he completed a residency in Family Practice Optometry with an emphasis in Ocular Disease through Northeastern State University Oklahoma College of Optometry (NSUOCO). Dr. Lighthizer has since joined the faculty at the Oklahoma College of Optometry and serves as the Chief of Specialty Care Clinics and the Chief of Electrodiagnostics Clinic. In 2014, he founded and now heads the Dry Eye Clinic at the College of Optometry. Also in 2014, he was named the Director of Continuing Education as well as the Assistant Dean for Clinical Care Services at the Oklahoma College of Optometry. Starting in 2020, he was named the Associate Dean of the NSU Oklahoma College of Optometry. He is a founding member, and currently serves as President, of the Intrepid Eye Society which is a group of emerging thought leaders in optometry. He was named a member of PCON 250 – A list of the top 250 optometrists in the country who practice progressively, provide innovative patient care, conduct optometric research or excel in academia and share what they have learned with other optometrists to advance the profession. Dr. Lighthizer lectures nationally on numerous topics, most notably advanced ophthalmic procedures, electrodiagnostics, and ocular disease.
Melissa Barnett, OD, FAAO, FSLS, FBCLA
Dr. Melissa Barnett is a principal optometrist at the University of California, Davis Eye Center in Sacramento and Davis, California. She is an internationally recognized key opinion leader, specializing in dry eye disease and specialty contact lenses. Dr. Barnett lectures globally and publishes extensively on topics including dry eye, anterior segment disease, contact lenses and creating a healthy balance between work and home life for women in optometry. She is Chair of the American Optometric Association Contact Lens and Cornea Section, a Fellow of the American Academy of Optometry, a Diplomate of the American Board of Certification in Medical Optometry, a Fellow and Global Ambassador of the British Contact Lens Association, serves on the Board of the Gas Permeable Lens Institute, International Society of Contact Lens Specialists and is Past President of The Scleral Lens Education Society. Drs. Melissa Barnett and Lynette Johns authored and edited the book Contemporary Scleral Lenses: Theory and Application with the unique perspectives and contributions of international experts. Dr. Barnett most recently chaired the BCLA CLEAR report on scleral lenses. She is currently serving on the Tear Film & Ocular Surface Society (TFOS): A Lifestyle Epidemic Ocular Surface Disease Workshop. Dr. Barnett was awarded the inaugural Theia Award for Excellence for Mentoring by Women in Optometry. She was granted the Most Influential Women in Optical from Vision Monday in 2019. Dr. Barnett and Dr. Tom Arnold are co-hosts of the popular podcast GlobalEyes. In her spare time, she enjoys cooking, yoga, hiking and spending time with her family, Todd Erickson, also an optometrist, and two sons, Alex and Drew.