Not accepting new patients
Dr. Kathryn A. Colby, MD, PhD
- Awards
- 1
- Speaks
- English
222 East 41st Street, New York, NY 10017
Overview
Dr. Kathryn A. Colby is Chair of the Department of Ophthalmology at NYU Langone Health and the Elisabeth J. Cohen, M.D. Professor of Ophthalmology at NYU Grossman School of Medicine, and directs the NYU Langone Eye Center. She joined NYU in 2020 after chairing ophthalmology at the University of Chicago and more than 20 years at Harvard Medical School.
She earned a PhD in neurobiology at Brown University and graduated first in her class from the University of Maryland School of Medicine, then trained at Massachusetts Eye and Ear. She pioneered a minimally invasive treatment for Fuchs dystrophy, has extensive experience with the Boston keratoprosthesis, served as president of the Cornea Society and received the Cornea Society’s 2025 Castroviejo Medal.
Dr. Colby treats the most complex corneal disease in children and adults, including Fuchs dystrophy, keratoconus, corneal infections and ocular surface tumours such as conjunctival melanoma. She has authored more than 100 studies and 7 books.
- Languages
- English
- Gender
- Female
- Video visits
- In person only
Expertise
Specialties
Focus Areas
Conditions Treated
- Fuchs' endothelial dystrophy
- Keratoconus
- Corneal scars and corneal edema
- Infectious keratitis
- Pterygium
- Dry eye disease
- Ocular surface disease
Procedures Performed
- DMEK endothelial keratoplasty
- DSAEK endothelial keratoplasty
- Full thickness corneal transplant (penetrating keratoplasty)
- Corneal cross-linking
- Pterygium removal with tissue graft
- Cataract surgery
- Superficial keratectomy
Credentials
-
Board certification1997
Ophthalmology
American Board of Ophthalmology
Professional Memberships
- Cornea Society (Past President)
Find Dr. Kathryn A. Colby Elsewhere
Education & Training
-
Other Degree
Johns Hopkins University
Undergraduate degree
-
Other Degree
Brown University
PhD, Neurobiology
-
Medical School
University of Maryland School of Medicine
Doctor of Medicine, first in class
-
Residency1996
Massachusetts Eye and Ear Infirmary
Ophthalmology
Awards
1 award received
-
Castroviejo Medal
Cornea Society (2025)
Insurance & Fees
Insurance networks differ by office and plan. Call the office to confirm that your plan is accepted before your visit.
Insurance networks change. Confirm coverage with your insurance company before your visit.
Location
Hospital Affiliations
-
NYU Langone Health
Medical staff, New York, NY
-
NYU Grossman School of Medicine
Teaching faculty, New York, NY
Questions Patients Ask
How do I book an appointment with Dr. Kathryn A. Colby?
Contact NYU Langone Eye Center directly to book or to ask about availability. Some specialists ask for a referral and recent eye records, and you should confirm insurance coverage when you call.
What should I bring to my first visit with Dr. Kathryn A. Colby?
Bring your photo ID and insurance card, a list of your medicines and eye drops, your current glasses or contact lenses, and any previous eye test results or imaging. Your eyes may be dilated, so plan for a driver if needed.
What does Dr. Kathryn A. Colby specialize in?
Dr. Kathryn A. Colby practices Cornea & External Disease and Ophthalmology. Focus areas include Corneal transplantation, Keratoconus care, Complex cataract surgery and Ocular surface disease.
Where does Dr. Kathryn A. Colby practice?
Dr. Kathryn A. Colby sees patients at NYU Langone Eye Center, 222 East 41st Street, New York, NY 10017.
Is Dr. Kathryn A. Colby accepting new patients?
Dr. Kathryn A. Colby is seeing existing patients only right now.
What languages does Dr. Kathryn A. Colby speak?
Dr. Kathryn A. Colby speaks English.
Which hospitals is Dr. Kathryn A. Colby affiliated with?
Dr. Kathryn A. Colby is affiliated with NYU Langone Health and NYU Grossman School of Medicine.
Where did Dr. Kathryn A. Colby train?
Dr. Kathryn A. Colby studied medicine at University of Maryland School of Medicine and completed residency at Massachusetts Eye and Ear Infirmary.
About This Profile
-
Verified profile
Verified profile. Details checked against Practice website, hospital or university profile, and public provider directories on October 2, 2026.
-
Last updated
This profile is for general information. It is not medical advice. Confirm details such as insurance and office hours directly with the practice.
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