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Samuel Chi-Hung Yiu

Samuel Chi-Hung Yiu, MD, PhD

Cornea and External Diseases

Accepting New Patients
Online Booking
4.6 of 5 stars222 ratings, 81 reviews

Highlights

Languages

  • Chinese - Cantonese
  • English

Gender

Male

Johns Hopkins Affiliations:

  • Johns Hopkins School of Medicine Faculty

About Samuel Chi-Hung Yiu

Primary Academic Title

Associate Professor of Ophthalmology

Background

Samuel C. Yiu, M.D., Ph.D., is an associate professor of ophthalmology at the Wilmer Eye Institute, specializing in cornea and external eye diseases, cataracts and refractive surgery (LASIK). In addition, he is a nationally and internationally recognized specialist in ocular surface diseases and ocular surface reconstruction surgery.

Dr. Yiu received his M.Sc. (applied biometry) and Ph.D. (physiology and biophysics) from the University of Southern California. He then completed a post-doctoral fellowship in lacrimal physiology at the Schepens Eye Institute at Harvard Medical School and went on to earn his M.D. from the University of Alberta in Canada. Dr. Yiu completed an internship and his ophthalmology residency at Dalhousie University in Halifax, Nova Scotia and a fellowship in cornea, external disease and refractive surgery at the University of Southern California’s Doheny Eye Institute. After serving as the director of Doheny’s Ocular Surface Center and co-director of Doheny’s cornea division, Dr. Yiu joined the Wilmer faculty in 2011 and spent two years as the chief of the cornea division at King Khaled Eye Specialist Hospital (KKESH), Wilmer’s affiliate hospital in Riyadh, Saudi Arabia, before returning to Baltimore in 2013.

Centers and Institutes

Wilmer Eye Institute Research

Research Interests

Basic Research, Dry Eye, Lacrimal Gland Physiology, Nanodrug delivery

Locations

  1. Johns Hopkins Bayview Medical Center
    • 4940 Eastern Avenue, Bayview Medical Offices, Level 01 (G), Clinic 3, Baltimore, MD 21224
    • The Johns Hopkins Hospital
      • 1800 Orleans Street, Maumenee Lobby, Baltimore, MD 21287

      Expertise

      Education

      Keck School of Medicine of USC

      Fellowship, Cornea, External Diseases & Refractive Surgery, 2001

      Dalhousie University Faculty of Medicine

      Residency, Ophthalmology, 1999

      University of Alberta Faculty of Medicine

      Medical Education, MD, 1994

      Board Certifications

      Ophthalmology

      American Board of Ophthalmology, 2004

      Insurance

      Johns Hopkins providers accept various commercial health insurance plans. However, they may not be included in all of an insurance company's plans or offerings. This may include Exchange, Medicaid, Medicare, and specific limited benefit plans. Exceptions to participation also exist based on your employer’s benefits package and the provider's location or specialty. Please contact your insurer directly to make sure your doctor is covered by your plan. For more details, please review our Insurance Information.
      Search plans
      • Aetna
      • CareFirst
      • Cigna
      • First Health
      • Geisinger Health Plan
      • HealthSmart/Accel
      • Humana
      • Johns Hopkins Health Plans
      • MultiPlan
      • Pennsylvania's Preferred Health Networks (PPHN)
      • Point Comfort Underwriters
      • Private Healthcare Systems (PHCS)
      • UnitedHealthcare
      • Veteran Affairs Community Care Network (Optum-VACCN)

      Ratings & Reviews

      4.6 out of 5

      222 ratings, 81 reviews

      The Patient Rating score is an average of all responses to physician related questions on the national CG-CAHPS Medical Practice patient experience survey through Press Ganey. Responses are measured on a scale of 1 to 5, with 5 being the best score. Comments are also gathered from our CG-CAHPS Medical Practice Survey through Press Ganey and displayed in their entirety. Patients are de-identified for confidentiality and patient privacy.

      Overall Rating by Patient
      Average provider Overall Rating by Patient rating 4.6 out of 5 stars
      Provider Listened Carefully
      Average provider Provider Listened Carefully rating 4.6 out of 5 stars
      Provider Explained Things Clearly
      Average provider Provider Explained Things Clearly rating 4.6 out of 5 stars
      Provider Knew Medical History
      Average provider Provider Knew Medical History rating 4.7 out of 5 stars
      Provider Showed Respect
      Average provider Provider Showed Respect rating 4.7 out of 5 stars
      Provider Spent Enough Time
      Average provider Provider Spent Enough Time rating 4.6 out of 5 stars
      Search reviews
        5 out of 5 stars
        Reviewed on 2/21/2025

        Dr is Thorough, good listener, caring, good communicator.Technicians are THEBEST of any I have had anywhere.

        5 out of 5 stars
        Reviewed on 2/21/2025

        Dr. Yiu is very personable and doesn't hesitate to answer my questions or address my concerns.

        5 out of 5 stars
        Reviewed on 2/18/2025

        Dr. Yiu is extremely knowledgeable and experienced. I know I am taken care of very well.

        5 out of 5 stars
        Reviewed on 2/14/2025

        Excellent

        5 out of 5 stars
        Reviewed on 2/14/2025

        Dr. Yiu was thoughtful, helpful and compassionate -

        5 out of 5 stars
        Reviewed on 2/13/2025

        Nice and knowledgable

        5 out of 5 stars
        Reviewed on 2/11/2025

        Very thorough, polite and considerate. He appeared to culturally competent

        5 out of 5 stars
        Reviewed on 2/11/2025

        Attentive, considerate, kind, professional.

        5 out of 5 stars
        Reviewed on 2/4/2025

        Excellent

        5 out of 5 stars
        Reviewed on 2/4/2025

        Caring and professional

        5 out of 5 stars
        Reviewed on 2/4/2025

        Thorough, kind and knowledgeable.

        5 out of 5 stars
        Reviewed on 1/28/2025

        Professional, good listener, caring

        5 out of 5 stars
        Reviewed on 1/17/2025

        Dr. Samuel Yiu is a very sensitive and caring person besides being an excellent professional. I appreciate those qualities very much.

        5 out of 5 stars
        Reviewed on 1/16/2025

        ExcellantDr.

        5 out of 5 stars
        Reviewed on 1/14/2025

        A really great professional

        5 out of 5 stars
        Reviewed on 12/13/2024

        Keep up with the excellent services.

        5 out of 5 stars
        Reviewed on 12/13/2024

        Excellent as usual

        5 out of 5 stars
        Reviewed on 12/6/2024

        I always receive Excellent service and care I'm

        5 out of 5 stars
        Reviewed on 12/5/2024

        Dr Yiu is a compassionate and excellent doctor. I am delighted with the outcome of my surgery. Thank you Dr Yiu!

        5 out of 5 stars
        Reviewed on 12/5/2024

        The best!

        5 out of 5 stars
        Reviewed on 11/22/2024

        My provider was warm and friendly

        5 out of 5 stars
        Reviewed on 11/20/2024

        VERY GOOD VERY

        5 out of 5 stars
        Reviewed on 11/20/2024

        Dr. You did my cataract surgery 2 and 1/2 years ago I found him to be a very skilled and knowledgeable doctor. I would highly recommend him.

        5 out of 5 stars
        Reviewed on 11/5/2024

        Dr Yiu is very knowledgeable and very kind and a compassionate doctor! One of the best I've ever had.

        5 out of 5 stars
        Reviewed on 11/5/2024

        Dr. Yiu is kind yet blunt about possible outcomes

        5 out of 5 stars
        Reviewed on 10/31/2024

        Excellent

        5 out of 5 stars
        Reviewed on 10/31/2024

        Dr Yiu is the best! We greatly appreciate him and are indebted to him!

        4 out of 5 stars
        Reviewed on 10/29/2024

        Very Professional and concerned about patients

        5 out of 5 stars
        Reviewed on 10/24/2024

        Caring and professional

        5 out of 5 stars
        Reviewed on 10/10/2024

        Dr. Yiu is an humane and compassionate provider.

        4 out of 5 stars
        Reviewed on 9/27/2024

        He provided helpful, concrete info about my situation. He also provided me with an eye shield.

        5 out of 5 stars
        Reviewed on 9/24/2024

        Very calm, patient and knowledgeable

        5 out of 5 stars
        Reviewed on 9/24/2024

        I have complete confidence in Dr. Yiu as he monitors my eye conditions. He is friendly as well as professional in his manner.

        5 out of 5 stars
        Reviewed on 9/19/2024

        After suffering for years with severe dry eye disease-pain that affected my work, driving, reading, everything really-Dr. Yiu finally found a treatment that has brought significant relief. It has changed my life. Dr. Yiu is kind and extremely knowledgeable and skilled; I feel very lucky to be under his care.

        5 out of 5 stars
        Reviewed on 9/19/2024

        Dr. Yiu is the best doctor I've had in my 62 years. I can't say enough good things about him. He is an excellent doctor but, more importantly, his knowledge and expertise is perfectly complemented with a level of care & concern that is, in my experience, almost non-existent in today's medical Industry. My visits are always a good experience even when the news Is not so good. I look forward to them.

        5 out of 5 stars
        Reviewed on 9/19/2024

        He's a great eye dr

        5 out of 5 stars
        Reviewed on 9/10/2024

        Very nice

        5 out of 5 stars
        Reviewed on 9/10/2024

        Efficient and professional.

        5 out of 5 stars
        Reviewed on 9/10/2024

        The Provider was very helpful in providing the options for my care. Did not rush me and took the time to answer my question. Great experience!

        5 out of 5 stars
        Reviewed on 8/30/2024

        Excellent!

        5 out of 5 stars
        Reviewed on 8/22/2024

        Good

        5 out of 5 stars
        Reviewed on 8/20/2024

        Dr. Yiu is a brilliant physician who is an expert on his field, a very competent doctor, and caring person.

        5 out of 5 stars
        Reviewed on 8/20/2024

        Excellent

        5 out of 5 stars
        Reviewed on 8/13/2024

        He was great and did everything to help my situation

        5 out of 5 stars
        Reviewed on 8/6/2024

        Dr. Yiu is great. I am very confident with him doing the 2 cataract surgeries and care provided.

        5 out of 5 stars
        Reviewed on 8/6/2024

        Great!

        5 out of 5 stars
        Reviewed on 8/2/2024

        Dr. Yui is extremely competent and so very concerned with getting to the bottom of any eye problems and the causes.

        3 out of 5 stars
        Reviewed on 7/30/2024

        Dr seemed very very busy.

        5 out of 5 stars
        Reviewed on 7/23/2024

        Dr Yiu is a very good very knowledgeable person

        5 out of 5 stars
        Reviewed on 7/23/2024

        Very good Doctor

        5 out of 5 stars
        Reviewed on 7/18/2024

        He did a great job with my cataract surgery. I so appreciate his statement that he would take his time due to my [ ] dystrophy. I am very happy with the outcome of my surgery.

        5 out of 5 stars
        Reviewed on 7/17/2024

        Very professional and knowledgeable

        5 out of 5 stars
        Reviewed on 7/17/2024

        Went for second opinion. Doctor provided peace of mind.

        5 out of 5 stars
        Reviewed on 7/16/2024

        Professionaal, friendly

        5 out of 5 stars
        Reviewed on 7/2/2024

        Very nice doctor. I am happy he is my doctor

        5 out of 5 stars
        Reviewed on 6/25/2024

        Everyone very nice and prompt, specially the technician was very patient as I was having issues with my dry eyes, the Doctor addressed that right away and was able to explain how to take care of the symptoms They were able to make an appointment the next day to my delight

        5 out of 5 stars
        Reviewed on 6/21/2024

        I recently visited my healthcare provider, and I must say, he was incredibly helpful and thorough in answering all my questions. Unlike my previous doctor at another place, he didn't give up on finding solutions and truly showed a commitment to my well-being. His persistence and dedication have made a significant difference in my care, and I'm grateful for his support.

        5 out of 5 stars
        Reviewed on 6/20/2024

        Professional, knowledgeable, concerned, and personable.

        5 out of 5 stars
        Reviewed on 6/18/2024

        Very personable. Excellent manner

        5 out of 5 stars
        Reviewed on 6/18/2024

        Very good

        5 out of 5 stars
        Reviewed on 6/6/2024

        Dr Yiu. Is a knowledgeable and excellent provider. I trust his opinions and recommendations totally. I have recommended him to friends who need specific eye care that is his speciality for eye care.

        5 out of 5 stars
        Reviewed on 5/31/2024

        The Doctor was very pleasant and informative. He ensured I understood everything.

        5 out of 5 stars
        Reviewed on 5/31/2024

        Dr.Yiu was compassionate and took great care in explaining how my eye health would progress and the reasons why my symptoms developed after surgery. He was DR#5 in my search to find eye care.. He's fantastic.

        5 out of 5 stars
        Reviewed on 5/28/2024

        We always wait 30-45 mins to be seen. That seems excessive for the first appointment of the day.

        5 out of 5 stars
        Reviewed on 5/21/2024

        Excellent clinician. He listened to my issues and explained in detail the next steps to lessen my symptoms.

        5 out of 5 stars
        Reviewed on 5/21/2024

        Dr. Yiu answered all of my questions. He was both very personable and professional.

        5 out of 5 stars
        Reviewed on 5/17/2024

        Doctor spent time with me and explained everything to me. He did not rush through the appointment.

        5 out of 5 stars
        Reviewed on 5/14/2024

        Easy to talk with. Spends ample time with you.

        5 out of 5 stars
        Reviewed on 5/14/2024

        Excellent doctor

        5 out of 5 stars
        Reviewed on 5/14/2024

        Would have liked more clearly marked entrance.google put me in alley

        5 out of 5 stars
        Reviewed on 5/10/2024

        Excellent care.

        5 out of 5 stars
        Reviewed on 5/9/2024

        Dr Yiu is a compassionate, courteous ,knowledgeable physician with great experience and an asset to Wilmer Eye Institution.

        5 out of 5 stars
        Reviewed on 5/3/2024

        Excellent service loop

        5 out of 5 stars
        Reviewed on 5/2/2024

        Dr. Yiu inspires confidence.

        5 out of 5 stars
        Reviewed on 4/30/2024

        He is very good at what he does and is very knowledgeable about what he does

        5 out of 5 stars
        Reviewed on 4/26/2024

        Good

        5 out of 5 stars
        Reviewed on 4/25/2024

        Everything was good

        5 out of 5 stars
        Reviewed on 4/23/2024

        I have been a patient at Wilmer for 60 YEARS!! I am so grateful that I was able to ask for an appt and get it THE NEXT DAY!! So very kind and helpful.

        5 out of 5 stars
        Reviewed on 4/17/2024

        Dr. Yiu is a complete professional. He is thorough, thoughtful, approachable, and talented. He will continue to be my go-to ophthalmologist & cornea specialist.