Kathryn A. Colby, MD, PhD

Ophthalmology | More

Louis Block Professor of Ophthalmology & Visual Science Chair, Department of Ophthalmology & Visual Science

A clinically integrated network of physicians and providers employed by UChicago Medicine who offer care in inpatient, community, ambulatory, acute care or extended care settings.

Kathryn Colby, MD, PhD, is an internationally renowned ophthalmologist with expertise in managing complex medical and surgical diseases of the cornea and ocular surface. Dr. Colby has a particular interest in Fuchs’ dystrophy, the most common cause for corneal transplantation in the United States, and is currently pioneering novel treatments for this condition. In addition, she has specific expertise in the management of ocular surface tumors, including conjunctival melanoma and squamous cell carcinoma.

Dr. Colby is an active researcher whose contributions have enhanced outcomes for patients who require keratoprosthesis (artificial cornea) surgery. She has an ongoing interest in corneal infections and has published extensively in this area. Dr. Colby was instrumental in determining the optimal surgical techniques for placement of the implantable miniature telescope, a vision-rehabilitative device for patients with macular degeneration.

Dr. Colby is a passionate educator who trained hundreds of medical students, ophthalmology residents and cornea fellows during the two decades she spent at Harvard Medical School prior to coming to the University of Chicago to lead the Department of Ophthalmology and Visual Science. She lectures around the world on numerous corneal and clinical research topics. She has leadership roles in various national and international societies, including the American Academy of Ophthalmology and the Cornea Society.


Areas of Expertise

  • Ocular Surface Tumors including Conjunctival Melanoma & Squamous Cell Carcinoma
  • Cornea & External Eye Diseases
  • Keratoprosthesis
  • Corneal Infections
  • Corneal Diseases in Children
  • Corneal Transplant
  • Fuchs’ Endothelial Dystrophy

Medical Education

  • University of Maryland School of Medicine


  • Massachusetts Eye and Ear Infirmary, Harvard Medical School


  • Massachusetts Eye and Ear Infirmary, Harvard Medical School

Other Grad Education

  • PhD, Brown University

Memberships & Medical Societies

  • Women in Ophthalmology
  • Cornea Society
  • American Academy of Ophthalmology
  • American Society of Cataract and Refractive Surgeons
  • Aetna POS
  • Aetna HMO
  • Aetna PPO
  • BCBS Blue Precision HMO
  • Cigna HMO
  • Cigna POS
  • Cigna PPO
  • CountyCare
  • Coventry Health Plan PPO
  • Great West PPO
  • Illinicare*
  • Medicare
  • Multiplan PPO
  • United Choice / Choice Plus
  • United Options (PPO)
  • United Select (HMO & EPO)
  • United W500 Emergent Wrap
To Request an Appointment

Duchossois Center for Advanced Medicine (DCAM) - Hyde Park

Request an Appointment at Duchossois Center for Advanced Medicine (DCAM) - Hyde Park

To Refer a Patient

Refer a Patient

At a Glance

Practicing Since1996

Board Certifications

  • Ophthalmology

Languages Spoken

  • English