Highlights
Age Groups Seen
- Adult
Languages
- English
Gender
MaleLocations
- Independence Family Health Center
- 5001 Rockside Road, Independence, OH 44131
- Get Directions
- i Building - Cole Eye Institute
- 2022 East 105th Street, Cleveland, OH 44106
- Get Directions
Education & Board Certifications
Education
- Residency: Cleveland Veterans Administration Hospital, 2023
- Graduate School: The Ohio State University College of Optometry, 2022
- Undergraduate: Walsh University, 2018
Research & Publications
See publications for this provider. (Disclaimer: This search is powered by PubMed, a service of the U.S. National Library of Medicine. PubMed is a third-party website with no affiliation with Cleveland Clinic.)
Industry Relationships
Cleveland Clinic physicians and scientists collaborate with industry to advance medical breakthroughs. These partnerships help commercialize discoveries for public benefit while maintaining scientific integrity. To ensure transparency and minimize potential bias, Cleveland Clinic reviews these relationships and publicly discloses when physicians/scientists receive significant compensation for consulting, serve in fiduciary roles, receive royalties, or hold equity interests related to their work. We manage potential conflicts through approval processes, annual reporting, and targeted management plans.
As of 2026-03-30, Dr. Krainz has reported no financial relationship with industry that is applicable to this listing.
In general, patients should feel free to contact their doctor about any of the relationships and how the relationships are overseen by Cleveland Clinic. To learn more about Cleveland Clinic's policies on collaborations with industry and innovation management, go to our Integrity in Innovation page.
Public Health Service-Reportable Financial Conflicts of Interest. Cleveland Clinic scientists and physicians engage in basic, translational and clinical research activities, working to solve health problems, enhance patient care and improve quality of life for patients. Interactions with industry are essential to bringing the researchers' discoveries to the public, but can present the potential for conflicts of interest related to their research activities. Click here to view a listing of instances where Cleveland Clinic has identified a Public Health Service (PHS)-Reportable Financial Conflict of Interest and has put measures in place to ensure that, to the extent possible, the design, conduct and reporting of the research is free from bias.
* Cleveland Clinic physicians and scientists subscribe to the guidance presented in the PhRMA Code on Interactions with Healthcare Professionals and the AdvaMed Code of Ethics on Interactions with Health Care Professionals. As such, gifts of substantial value are generally prohibited.
Insurances Accepted
Video
Ratings & Reviews
4.9 out of 5
306 ratings, 32 reviewsThe Patient Satisfaction Rating is an average of all responses to the care provider related questions shown below from our survey. Patients that are treated in outpatient or hospital environments may receive different surveys, and the volume of responses will vary by question.
- 5 out of 5 starsReviewed on 4/6/2026
Extremely happy with the care, Dr. Kranz and his staff provided.
- 5 out of 5 starsReviewed on 4/6/2026
Dr. Krainz has an excellent bedside manner, very knowledgeable, and always proactive
- 5 out of 5 starsReviewed on 4/6/2026
Staff was excellent, gave me thorough medical assessment and prepared me for doctor.
- 5 out of 5 starsReviewed on 4/6/2026
Dr Krainz''s staff are always pleasant, knowledgeable, and helpful
- 5 out of 5 starsReviewed on 3/23/2026
The doctor and his team was wonderful taking care of me
- 5 out of 5 starsReviewed on 3/23/2026
The doctor was so very thorough. My daughter was with me. She has a doctorate in Chemistry with a focus on neuroscience. She has a work history with Alcon and Johnson and Johnson. She was very impressed with Dr Krainz.
- 5 out of 5 starsReviewed on 3/9/2026
Dr Krainz was very professional and put me at ease during the exam
- 5 out of 5 starsReviewed on 3/9/2026
The NP was great and easy to work with during the various test. DR was great and worked extra time to make sure everything was covered during the appointment. Best eye doctor I have ever had.
- 5 out of 5 starsReviewed on 2/23/2026
Exceptional care, professionalism and personal attention by Dr. Krainz; THIS is how medicine should always be. So grateful!
- 5 out of 5 starsReviewed on 1/29/2026
Really like this doctor. Very knowledgeable and professional.
- 5 out of 5 starsReviewed on 1/29/2026
This physician was great throughout the exam! He was quick yet thorough with great communication skills. He explained any issues, answered all questions, and provided everything we needed. He Is an awesome physician!
- 5 out of 5 starsReviewed on 1/12/2026
I've had this procedure 8 times unfortunately In the last 30 years. Dr. Thomas Krainz was by Far my best Eye Doctor. He was lnformative, Assuring, and the Most Gentle. A solid Professional. I would highly recommend him to another seeking his Care.
- 5 out of 5 starsReviewed on 12/16/2025
Dr took his time, answered my questions and concerns
- 5 out of 5 starsReviewed on 12/8/2025
I was always apprehensive about going to a eye doctor but this experience has changed my mind. Dr. Krainz was very professional and pleasant, knowledgeable and explained everything so thoroughly. Eye exam went well and I was very impressed with my visit.Thank you
- 5 out of 5 starsReviewed on 11/13/2025
Dr Krainz explained everything thoroughly, and answered all of my questions.
- 5 out of 5 starsReviewed on 11/4/2025
First visit with Dr Krainz and was so impressed by how well he listened and the time he spent to resolve my concerns
- 5 out of 5 starsReviewed on 10/23/2025
Dr was very informative
- 5 out of 5 starsReviewed on 10/23/2025
Dr. Krainz was very courteous, helpful, pleasant, and patient.
- 5 out of 5 starsReviewed on 10/23/2025
I love my eye doctor he listens to me.
- 5 out of 5 starsReviewed on 10/16/2025
Dr Krainz - great guy top notch care
- 5 out of 5 starsReviewed on 10/8/2025
Dr Krainz is an EXCELLENT doctor!!! Knowledgeable, compassionate and very attentive to his patients!
- 5 out of 5 starsReviewed on 10/8/2025
I definitely felt like the doctor was competent as well as providing compassionate care
- 5 out of 5 starsReviewed on 9/24/2025
Dr. Krainz was fantastic and listened to my concerns. He was very thorough and precise. Thank you!
- 5 out of 5 starsReviewed on 9/10/2025
Dr was very thorough and provided good explanations
- 5 out of 5 starsReviewed on 8/20/2025
Dr. Krainz has a great bedside manner. I highly recommend Dr Krainz as he always supplies excellent Medical and Patient, Care and Support
- 5 out of 5 starsReviewed on 8/19/2025
I recommended the Dr to my husband
- 5 out of 5 starsReviewed on 8/19/2025
Love Dr Turner. She is very attentive and is always willing to answer all your questions and takes all the time you need to make sure you understand and are cared for.
- 5 out of 5 starsReviewed on 8/4/2025
Dr. Kraintz was wonderful - kind, attentive, informative. I found the PA or NP who first saw me to be borderline rude, brusque, somewhat critical and not particularly compassionate.
- 5 out of 5 starsReviewed on 7/22/2025
Dr Krainz is an outstanding optometrist. He listens, is efficient, confident, and sees me as more than 2 eyeballs. I feel very fortunate to have him as my optometrist.
- 5 out of 5 starsReviewed on 7/22/2025
The doctor gave me an answer to a condition I've been dealing with and no one else had diagnosed. Very pleased
- 5 out of 5 starsReviewed on 5/29/2025
Excellent Doctor so caring
- 5 out of 5 starsReviewed on 5/19/2025
Doctor was good was very thorough with me