Charles Ahn, MD, Naperville Ophthalmologist

Charles S. Ahn, MD


387 Ratings
Years in Practice: 26 years
Practices In: Downers Grove, Naperville
Patients Seen: Adolescents and Adults

I believe in treat­ing patients with their best inter­est in mind and to treat them with com­pas­sion as I would want to be treat­ed. I strive to uti­lize the lat­est in tech­nol­o­gy, tech­niques and exper­tise in man­ag­ing patients to obtain the best pos­si­ble outcomes.

Board Certifications
English, Korean
Awards & Accolades
Chicago Magazine, Top Doctors 2022
Resident Research Fellowship, University of Illinois 2000
Clinical Interests

Com­plex cataract surg­eries, Corneal trans­plan­ta­tions, Refrac­tive surgery

Personal Interests

Spend­ing time with my fam­i­ly, Human­i­tar­i­an work involv­ing mis­sion trips to pro­vide both med­ical and sur­gi­cal care to those in need, Ten­nis, Golf, Ski­ing, Ice hockey

American Academy of Ophthalmology American Society of Cataract and Refractive Surgery Illinois Association of Ophthalmology International Society of Refractive Surgery
Advocate Good Samaritan Hospital
3815 Highland Avenue Downers Grove, Illinois 60515 630-275-2700 Get Directions
Edward Hospital
801 S. Washington St. Naperville, Illinois 60540 630-527-3000 Get Directions
University of Michigan Medical School Graduation Date: 1993 Degree: MD
University of Illinois at Chicago Resident in Ophthalmology
University of Utah, John Moran Eye Center Cornea, External Disease and Refractive Surgery


Cataract Evaluation and Surgery, Cornea Transplant Surgery, DALK, DMEK, DSAEK, ICL Surgery, PKP, PRK, Phacoemulsification & Intraocular Lens Implants, Pterygium Surgery, Refractive Surgery, YAG Laser Iridotomy and Capsulotomy


Eye Infections, Ocular Trauma


Ratings Category

The Patient Satisfaction Rating score is an average of all responses to care provider related questions on our independent rating system, the Press Ganey Patient Satisfaction Survey. Responses are measured on a scale of 1 to 5, with 5 being the best score. Learn more about our patient satisfaction survey.

Patient Satisfaction Rating

387 Ratings

Likelihood of recommending this provider

383 Ratings

Provider included you in decisions

378 Ratings

Provider showed concern

386 Ratings

Provider explained things clearly

384 Ratings

Provider discussed treatment options

379 Ratings


Comments are collected in our Press Ganey Patient Satisfaction Surveys. Patients are de-identified to protect confidentiality and patient privacy. Learn more about our patient satisfaction survey.
"DR. AHN is a great doctor. He is patient, empathetic, knowlegeable, experienced, a good listener, and had good treatment options. I am glad my doctior recommended him for a 2nd opinion."
Feb. 12, 2024
"The doctor has great manners care and concern . He smiled and laughed"
Jan. 15, 2024
"All in all a good experience."
Jan. 14, 2024
"Follow up exams after eye surgery went well."
Jan. 10, 2024
"Great and caring staff and Dr. Very little wait time"
Jan. 5, 2024
"I received stellar service from Dr Ahn and his staff!"
Dec. 22, 2023
"Staff very pleasant. Dr. Is very pleasant & caring . I would highly recommend him."
Dec. 17, 2023
"Everything was explained well and completely. Any remaining questions were answered by Terry, who scheduled me for the follow up exam and surgry"
Dec. 10, 2023
"Dr Ahn is an excellent clinician.I hope Duly continues to be supportive of their highly qualified physicians and does not try to replace them with minimally skilled mid-levels like all other corporate groups to maximize profits. We come to Duly for the highly qualified competent doctors"
Dec. 4, 2023
"Overall good visit"
Nov. 26, 2023
"Dr. Ahn performed successful cataract surgery on my left eye and will now do my right eye. In preparing for surgery, he listens to concerns ad thoroughly answers questions. I have complete confidence in Dr. Ahn and would not have any other physician perform my cataract surgery."
Nov. 26, 2023
"Provided information in a calm, caring manner without hyping fear."
Nov. 25, 2023
"Dr Han explained in detail and depth.About the cataract removal and lense replacement."
Nov. 24, 2023
"Dr Ahn is an excellent physician. He Is compassionate and knowledgable. He performed my ICL procedure twelve years ago and did an excellent job. I would whole heartedly recommend him."
Nov. 17, 2023
"Over all, it was a good experience."
Nov. 12, 2023
"Prompt and professional"
Nov. 7, 2023
"Dr Ahn listened to me and answered all my questions and is very professional .Gave me a very detailed schedule of my eye drops and post op instructions."
Oct. 25, 2023
"Every aspect was fast, efficient and professional. There was zero waiting time."
Oct. 25, 2023
"I can thank enough my Doctor & his staff for the special excellent care they provided me. Thank you so much for the great & surgery you performed on me."
Oct. 24, 2023
"Dr. Ahn was thorough and professional. He explained what he needed to do with my cataract."
Oct. 24, 2023
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