Merina Thomas M.D.

Photo of Merina Thomas, M.D.
Faculty profile

Assistant Professor of Ophthalmology School of Medicine

Accepting new patients

4.8 out of 5 (447 Ratings, 153 Comments)


  • Ophthalmology

Special focus on

  • Retina and Vitreous Disease
  • Retina Surgery


  • B.A., Northwestern University, Evanston Illinois United States 2007
  • M.D., Vanderbilt School of Medicine, Nashville Tennessee United States 2012
  • Internship:

    • General Surgery, Atlanta Medical Center--Atlanta, GA, 2012-2013
  • Residency:

    • Ophthalmology, Illinois Eye and Ear Infirmary, University of Illinois at Chicago--Chicago, IL, 2013-2016
  • Fellowship:

    • Vitreoretinal Surgery, Kellogg Eye Center, University of Michigan--Ann Arbor, MI, 2016-2018
    • Research Fellow, Retina, Wilmer Eye Institute, Johns Hopkins University--Baltimore, MD, 2010-2011
  • Certifications:

    • American Board of Ophthalmology, 2017


Dr. Merina Thomas is a retina specialist. Her clinical interests include age-related macular degeneration, diabetic retinopathy, disease of the retina and vitreous and vitreoretinal surgery.

Dr. Thomas went to medical school at Vanderbilt University, then went on to complete her residency at the Illinois Eye and Ear Infirmary at the University of Illinois and a fellowship in vitreoretinal surgery at the University of Michigan’s Kellogg Eye Center.

An Illinois native, Dr. Thomas enjoys discovering new restaurants, live music performances and traveling with her husband. She is also interested in international ophthalmology, having participated in a medical outreach trip to India in medical school and being named a Unite for Sight Global Impact Fellow selected to provide eye care with their program in Accra, Ghana.

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Patient Ratings

4.8 out of 5 (447 Ratings, 153 Comments)

The patient ratings score is an average of all responses to the question "How likely would you be to recommend this provider to your family and friends (on a scale of 0 to 10)" on our nationally-recognized NRC patient surveys.

Patient Comments

  • Aug 07, 2019

    It was nice,strait forward and to the point.

  • Aug 07, 2019

    I travel 160 miles round trip so it’s very important to me that they be on time and they always are

  • Aug 03, 2019

    Dr. Thomas was amazing doctor. I've had 3 surgeries with her, 4 surgeries. Very polite, very well spoken a lovely lady besides being a great doctor. I'd recommend her to anybody and she helped save my eye, so what else can I say, but thank you.

  • Aug 01, 2019

    everyone I met at this office was very friendly. Dr. Thomas was very thorough with her exam truly seemed to care about my condition. The receptionist was quite cordial and seemed to enjoy her job.

  • Aug 01, 2019

    Dr. Thomas is extremely knowledgeable in my opinion and she is very likable. When treating my eyes with injections, I definitely appreciate her seemingly lighthearted approach, easing most of the anxiety. Thank you Dr. Thomas!

  • Jul 29, 2019

    Dr. Thomas and her assistant could not have been better or or easier to work with she is an amazing physician and her staff is very very good. They made me feel at ease and comfortable while they did things that normally I would want to have done to me all in and all to help me be able to see better and stabilize my vision and see to it that I don't have problems in the future. I'm really happy.

  • Jul 28, 2019

    It was a good experience. Thank you.

  • Jul 27, 2019

    I thank Dr. Tomás and the doctors who operated my eyes and thank God I see well I am excellent thank you very much God bless you all of the staff has been very kind to me God bless you and I have recommended and I have always said that they are my best angels that God can not see sent God bless you thank you very much and they are very thankful that God bless you all and especially my doctors who made me the surgery thank you very much God bless you

  • Jul 26, 2019

    She was very caring and explained everything to me

  • Jul 26, 2019

    Dr. Thomas was very kind and caring and made the whole experience way better. The pre-op and post-op staff were also amazing

  • Jul 25, 2019

    Dr. Thomas was friendly and professional. She explained the procedure clearly and helpfully.

  • Jul 25, 2019

    I saw the provider without having to wait very long. She listened to my questions and gave me information. Dr. Thomas was a pretty good, or a real good doctor and that's it.

  • Jul 24, 2019

    Very knowledgeable and polite, informative

  • Jul 22, 2019

    She was kind, patient and very open to my questions. I appreciated her honesty and concern.

  • Jul 22, 2019

    I was very impressed with Dr. Thomas. She's very thorough very pleasant and explain things really. Well, she seemed interested and caring and I was just highly impressed with her. I would give her a higher than a 10 if I could.

  • Jul 21, 2019

    Dr. Thomas is so careful to explain what she sees and to answer my questions so I can understand my eyes. Her injection technique is the best of all Doctors I have had give me injections. I love her caring personality both compassionate and able to celebrate with me as my moods have changed from visit to visit. She sees and responds to me as a total person, not just technically with my eyes.

  • Jul 19, 2019

    She's awesome.

  • Jul 18, 2019

    The staff and physicians at the Casey Eye Clinic in Longview, WA are always friendly and meet the highest standard of professionalism.

  • Jul 18, 2019

    She was very well concerned about my eye and how I’m doing with the treatment.

  • Jul 18, 2019

    Dr Thomas was kind, gentle and very informative. She explained everything she was doing.

  • Jul 17, 2019

    Dr. Thomas was very efficient, very knowledgeable and did an excellent job. Thank you.

  • Jul 15, 2019

    Dr Thomas is great

  • Jul 15, 2019

    My experience with Dr. Thomas, from the first time I met her, through the surgery, and the return visit after my surgery was an absolute joy. She's a very, very wonderful doctor and if I have any other issues, I hope to see her or Dr. Campbell again, but Dr. Thomas is an absolute joy and very skilled.

  • Jul 14, 2019

    She is very good at explaining things to me. She has a very caring manner about her.

  • Jul 13, 2019

    In my case was a second opinion Dr.Thomas explains my situation very clear I will go back again

  • Jul 13, 2019

    I feel that Dr. Thomas is extremely competent and very kind and I've enjoyed all my contacts with her very much.

  • Jul 11, 2019

    Dr. Thomas is very compassionate and encouraging !! My only small complaint is she has a large patient load so waiting to be seen after the pre prep by the teq took longer than expected . I am glad that she is taking care of the health of my eyes .

  • Jul 11, 2019

    I was happy with her evaluation and felt confident in her diagnosis.Frank

  • Jul 11, 2019

    The service I receive at Casey Eye is always one of kindness and care. Dr Thomas is a super person both for treatment and to talk to. She is full of energy and I always feel welcome when she walks into the treatment room. The staff are also kind people and I enjoy having conversation with them.

  • Jul 11, 2019

    I really like the new doctor I'm going to. I have been..... I've had 4 deaths in the last month and a half. She's very sympathetic, asked me how I was doing and just overall, generally concerned. So, I really appreciate that.

  • Jul 11, 2019

    Hi, she is very, very good at her job. She makes me feel very comfortable. She answered all of my questions and I am very impressed with her.

  • Jul 10, 2019

    Always friendly and professional.

  • Jul 09, 2019

    Dr Thomas is very caring and explains things so. fully understand my next step in my eye health. The best DR.

  • Jul 07, 2019

    She was pleasant and seemed to know what she was doing.

  • Jul 06, 2019

    I felt my time there was given a thorough and clear explanation and exam

  • Jul 04, 2019

    She’s kind, compassionate, and very competent. Even when I moved my eyes during an eye injection she didn’t make me feel badly about it.

  • Jun 28, 2019

    I'm very pleased with her ... her services. She's very friendly very efficient. I would highly recommend her.

  • Jun 28, 2019

    She was soothing, she was comforting, she's been a very good and I would recommend her. She is very good. So thank you.

  • Jun 28, 2019

    I always have a good response from OHSU, thank you.

  • Jun 28, 2019

    She was caring. She came in on a day she didn't have to come in for surgery to make sure the surgery went well.

  • Jun 28, 2019

    I feel that Merina Thomas his an excellent doctor. She's courteous. She's patient. She's very kind and very capable in everything she's done for me and I am grateful to her for her service and I don't know what to do next. Hello. Hello. Hello.

  • Jun 28, 2019

    I had a good service from Dr. Thomas and whole crew at the Long View Casey Eye Institute. So it was very positive. Thank you.

  • Jun 28, 2019

    Knowledgeable, Professional and Caring

  • Jun 28, 2019

    Thank you very much for the service you provided, especially the doctors. God bless them. I have been treated very well. Thank you very much, and have a good day.

  • Jun 27, 2019


  • Jun 26, 2019

    They were on time the doctor was excellent very concerned about me and explained everything that was going on with me

  • Jun 22, 2019

    Dr. Thomas is a very pleasant person, explains clearly, and works rapidly and efficiently. I very much appreciate that when she gives me the eye injections, it doesn't HURT!!

  • Jun 20, 2019

    She has done a great job. She was real pleased with the healing that had taken place.

  • Jun 18, 2019

    Dr Thomas make you feel comfortable. Explain things and ia great.

  • Jun 15, 2019

    Dr. Thomas does an excellent highly professional job during our appointments. She is gentle, thorough, & very positive. She explains everything, gives me choices whenever that is possible, and discusses both the immediate issues as well as long term concerns. This time she gave me the good news that a procedure she had done at my last appointment had gone very well, and I was much improved.

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