How to Use the LRI Calculator

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min read
Drs. Gupta and Wörtz discuss how ophthalmologists can employ the tool they created, the LRI Calculator.

Interventional Mindset is an educational series that gives eye physicians the needed knowledge, edge, and confidence in mastering new technology to grow their practices and provide the highest level of patient care. Our focus is to reduce frustrations associated with adopting new technology by building confidence in your skills to drive transformation.

Browse through our videos on a variety of topics within cataract and refractive surgery, glaucoma, and ocular surface disease to learn practical insights into adopting a variety of new surgical techniques and technology.

Gary Wörtz, MD
About Gary Wörtz, MD

Gary Wörtz, MD is a board-certified ophthalmologist from Lexington, KY specializing in cataract and refractive surgery.

Since completing his training in 2008, Dr. Wörtz has successfully performed thousands of cataract and laser procedures. He currently practices in Lexington at Commonwealth Eye Surgery. Dr. Wörtz became one of the first surgeons in Kentucky to perform laser refractive cataract surgery. He utilizes the latest technology both in and out of the operating room to help restore vision for cataract patients.

Dr. Wörtz enjoys innovation and teaching his techniques to others around the country. He has been a consulting speaker for Alcon, AMO, Bio-Tissue, TearLab, Carl Zeiss Meditech and Dialogue Medical. He has also been a principal investigator in multiple FDA pharmaceutical trials in the ophthalmic sector. He has given numerous lectures at both the American Academy of Ophthalmology and the American Society of Cataract and Refractive Surgeons annual meetings. He is also a frequent contributor to many trade journals such Cataract and Refractive Surgery Today, MillennialEye, Ophthalmology Times, and EyeWorld, and was recently named to the editorial board of Ocular Surgery News.


Gary Wörtz, MD
Preeya K. Gupta, MD
About Preeya K. Gupta, MD

Dr. Gupta earned her medical degree at Northwestern University’s Feinberg School of Medicine in Chicago, and graduated with Alpha Omega Alpha honors. She fulfilled her residency in ophthalmology at Duke University Eye Center in Durham, North Carolina, where she earned the K. Alexander Dastgheib Surgical Excellence Award, and then completed a fellowship in Cornea and Refractive Surgery at Minnesota Eye Consultants in Minneapolis. She served on the faculty at Duke University Eye Center in Durham, North Carolina as a Tenured Associate Professor of Ophthalmology from 2011-2021.

Dr. Gupta has authored many articles in the peer-reviewed literature and serves as an invited reviewer to journals such as Ophthalmology, American Journal of Ophthalmology, and Journal of Refractive Surgery. She has also written several book chapters about corneal disease and ophthalmic surgery, as well as served as an editor of the well-known series, Curbside Consultation in Cataract Surgery. She also holds several editorial board positions.

Dr. Gupta serves as an elected member of the American Society of Cataract and Refractive Surgery (ASCRS) Refractive Surgery clinical committee, and is also is the Past-President of the Vanguard Ophthalmology Society. She gives presentations both nationally and internationally, and has been awarded the National Millennial Eye Outstanding Female in Ophthalmology Award, American Academy of Ophthalmology (AAO) Achievement Award, and selected to the Ophthalmologist Power List.

Preeya K. Gupta, MD