Gregg Jonathan Berdy MD F.A.C.S.

Anterior Segment Related, Cataract Related, Cornea & External Disease, Refractive Surgery

Ophthalmology Associates The Cornea & Laser Vision Institute

12990 Manchester RdSuite 200St. Louis, MO 63131
Phone+1 314-966-5000
Fax+1 314-909-6666

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Summary

Dr. Gregg Berdy, an ophthalmologist based in St. Louis, MO, is specialized in anterior segment, cataract, cornea and external disease, and refractive surgery. Educated at Saint Louis University School of Medicine and Duke University, Berdy completed an ophthalmology residency at SSM Health/Saint Louis University School of Medicine. An Associate Professor at Washington University in St. Louis School of Medicine since 1991, Berdy is experienced in keratoplasty, refractive and cataract surgeries, ocular allergies, and corneal transplant surgery. Berdy has contributed to multiple publications, with research focusing on ocular surface conditions and dry eye disease. Additionally, Berdy has been involved in several clinical trials related to dry eye disease and ocular surface abnormalities and has received recognitions such as the AAO Honor Award and fellow status in the American College of Surgeons.

Education & Training

SSM Health/Saint Louis University School of MedicineResidency, Ophthalmology, 1984 - 1987
Mercy Hospital (St Louis)Internship, Transitional Year, 1983 - 1984
Saint Louis University School of MedicineClass of 1983
Duke UniversityB.A., Magna Cum Laude, 1975 - 1979

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Certifications & Licensure

FL State Medical License 2022 - 2028
MO State Medical License 1984 - 2027
MI State Medical License 1986 - 2006
MA State Medical License 1988 - 2005
American Board of Ophthalmology Ophthalmology

Awards, Honors, & Recognition

CMS Meaningful Use Stage 2 Certification ManagementPlus, ManagementPlus, 2014-2017
CMS Meaningful Use Stage 1 Certification ManagementPlus, ManagementPlus, 2014-2017
AAO Honor Award 2007

Clinical Trials

Cross-linking of Corneal Collagen (CXL) With Ultraviolet-A in Asymmetric Corneas Start of enrollment: 2010 Feb 01
TERMINATED
A Phase 2 Single-Masked, Randomized Study of Latanoprost PPDS in Ocular Hypertension or Open-Angle Glaucoma
COMPLETED
PHASE2
Safety and Efficacy of KPI-121 in Subjects With Dry Eye Disease
COMPLETED
PHASE2

Publications & Presentations

PubMed

Perfluorohexyloctane Ophthalmic Solution in Patients with Dry Eye Disease Undergoing Cataract Surgery: A Prospective Multicenter Study.
John A Hovanesian, Eva Liang, Neel R Desai, Gregg J Berdy, Kayla Karpuk
Ophthalmology and Therapy. 2026-02-01
Durability of Treatment with a Thermomechanical Device in Meibomian Gland Dysfunction: An Observational Extension Study.
Ehsan Sadri, Anthony Verachtert, Gregory D Parkhurst, Julio Echegoyen, Ifat Klein
Journal of Ocular Pharmacology and Therapeutics. 2025-06-01
1 citations
Safety and Efficacy of Lotilaner Ophthalmic Solution (0.25%) in Treating Demodex Blepharitis: Pooled Analysis of Two Pivotal Trials.
Elizabeth Yeu, James D Paauw, Patrick Vollmer, Gregg J Berdy, William E Whitson
Ophthalmology and Therapy. 2025-03-01

Journal Articles

Effect of tear osmolarity on repeatability of keratometry for cataract surgery planning
Epitropoulos, A.T., Matossian,C., Berdy, G.J., Malhotra, R.P. and Potvin, R., J. Cataract Refract. Surg., 1/1/2015
Safety of besifloxacin ophthalmic suspension 06% as a prophylactic antibiotic following routine cataract surgery: results of a prospective, parallel-group, investigato...
Malhotra, R., Gira, J., Berdy, G.J., and Brusatti, R., Clin. Ophthalmol., 1/1/2012
Allergic conjunctivitis: new strategies for treatment
Berdy, G.J., Advanced Ocular Care, 1/1/2009

Books/Book Chapters

American Academy of Ophthalmology, Basic and Clinical Science Course, Section 13, Refractive Surgery
Chapter: Refractive Surgery in Ocular and Systemic Disease
Page 165 - 185Berdy, G.J.American Academy of Ophthalmology, San Francisco, CA2015
American Academy of Ophthalmology, Basic and Clinical Science Course, Section 13, Refractive Surgery
Chapter: Considerations after Refractive Surgery
Page 187 - 195Berdy, G.J.American Academy of Ophthalmology, San Francisco, CA2015
Albert & Jakobiec’s Principles and Practice of Ophthalmology
Chapter: Ocular Allergic Diseases
Page 89 - 95Berdy, G.J. and Berdy, S.S.Editors: Joo, S., Kau, L.K., DeFer, T.M. and Henderson, K.E..Wolters Kluwer/Lippincott, Philadelphia, PAEdition 2nd,2013

Abstracts/Posters

Clinical Evaluation of a New Enhanced Viscosity Eye Drop for Moderate to Severe Dry Eye Disease : A Multicenter, Double-Masked, Randomized 30-day Study
Lievens, C., Berdy, G., Douglass, D., Montaquila, S., Lin, H., Simmons, P., Carlisle, C., Changela, M., Seifu, Y., Hollander, D. and Vehige, J., American Academy of Optometry Annual Meeting, New Orleans, LA, 1/7/2015
Evaluation of Patients With a Strong Response to Epithelial-On Corneal Collagen Crosslinking
Trattler, W., Buznego, C., Luchs, J., Adi, M., Rubinfeld, R.S., Berdy, G. and Perez, G., American Academy of Ophthalmology Annual Meeting, Chicago, IL, 1/10/2012
Retrospective Evaluation of Epithelial-On Cross-Linking (CXL)
Trattler, W., Talamo, J., Bowman, B., Letko, E., Berdy, G., Wiley, W., Flor, R., Perez, G., Littner, R., Seligson, V. and Forstot, L., European Society of Cataract and Refractive Surgery 30th Congress, Milan, Italy, 1/8/2012

Lectures

Refractive Surgery Complications: Prevention and Management
Chicago, IL, 2016; New Orleans, LA, 2017 - 1/13/2017
Ocular Surface Disease Management: Moving from Adequate to Expert
Multple locations, 2011, 2012, 2013, 2015, 2016, 2017 - 1/13/2017
Mastering Transepithelial and Epi-Off Corneal Collagen Crosslinking For Keratoconus and Post-LASIK Ectasia
New Orleans, LA - 1/7/2016