The 20 Best Congenital Microcoria Doctors in Japan

Find the Top Congenital Microcoria Experts and Specialists

Last Updated: 11/08/2026

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MediFind found 6 doctor with experience in Congenital Microcoria near Japan. Of these, 3 are Advanced and 3 are Experienced.

Location
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6 providers found
    Advanced in Congenital Microcoria
    Advanced in Congenital Microcoria
    Referral may be required
    Kitakyushu, JP 

    Hiroyuki Kondo practices practicing medicine in Kitakyushu, Japan. Mr. Kondo is rated as an Advanced expert by MediFind in the treatment of Congenital Microcoria. He is also highly rated in 14 other conditions, according to our data. His clinical expertise encompasses Familial Exudative Vitreoretinopathy, Stickler Syndrome, Norrie Disease, Vitrectomy, and Trabeculectomy.

    Advanced in Congenital Microcoria
    Advanced in Congenital Microcoria
    Referral may be required
    Fukuoka, JP 

    Ken Yamamoto practices practicing medicine in Fukuoka, Japan. Mr. Yamamoto is rated as an Advanced expert by MediFind in the treatment of Congenital Microcoria. He is also highly rated in 7 other conditions, according to our data. His clinical expertise encompasses Gout, Griscelli Syndrome, Congenital Microcoria, and Familial Cold Autoinflammatory Syndrome.

    Advanced in Congenital Microcoria
    Advanced in Congenital Microcoria
    Referral may be required
    Fukuoka, JP 

    Akihiko Tawara practices practicing medicine in Fukuoka, Japan. Tawara is rated as an Advanced expert by MediFind in the treatment of Congenital Microcoria. They are also highly rated in 3 other conditions, according to our data. Their clinical expertise encompasses Congenital Microcoria, Familial Exudative Vitreoretinopathy, Microphthalmia, and Bullae.

    Learn about our expert tiers
    Experienced in Congenital Microcoria
    Experienced in Congenital Microcoria
    Referral may be required
    Fukuoka, JP 

    Tomoko Tahira practices practicing medicine in Fukuoka, Japan. Ms. Tahira is rated as an Experienced expert by MediFind in the treatment of Congenital Microcoria. Her clinical expertise encompasses Congenital Microcoria.

    Experienced in Congenital Microcoria
    Experienced in Congenital Microcoria
    Referral may be required
    JP 

    Masaru Iwai practices practicing medicine in Japan. Mr. Iwai is rated as an Experienced expert by MediFind in the treatment of Congenital Microcoria. His clinical expertise encompasses Atherosclerosis, Congenital Microcoria, and Hypertension.

    Experienced in Congenital Microcoria
    Experienced in Congenital Microcoria
    Referral may be required
    Tokyo, JP 

    Toshihiro Tanaka practices practicing medicine in Tokyo, Japan. Tanaka is rated as an Experienced expert by MediFind in the treatment of Congenital Microcoria. They are also highly rated in 2 other conditions, according to our data. Their clinical expertise encompasses Long QT Syndrome, Long QT Syndrome 3, Atrial Fibrillation, Kawasaki Disease, and Laminectomy.

    While we make every effort to provide the best results possible, data is currently limited outside of the United States. Doctors listed may include both clinicians and researchers, and individuals relocate frequently. We recommend contacting doctors directly to confirm their location and areas of focus. Contact information is provided when available. Learn more about our expert tiers.
    Showing 1-6 of 6

    Last Updated: 11/08/2026

    What is the definition of Congenital Microcoria?

    Congenital microcoria is a rare eye disorder affecting the development of the irises. It is characterized by absence or incomplete development of the iris dilator muscles (also called the pupil dilator muscles), making the pupils unable to dilate (widen). People with Congenital microcoria have small pupils (with a diameter less than 2 millimeters) that dilate poorly or not at all, even when pupil-dilating medicines (eye drops) are put on the eye. The disorder is also often associated with nearsightedness, and glaucoma in childhood or early adulthood. Congenital microcoria that is not associated with an underlying syndrome is caused by a small, missing piece of genetic material (deletion) around a region of chromosome 13 designated as 13q32. This region contains several genes, although it appears the exact gene or genes in the region responsible for Congenital microcoria are still under investigation. Inheritance is autosomal dominant. Congenital microcoria is also a feature of autosomal recessive Pierson syndrome, caused by genetic changes in the LAMB2 gene.

    When should I see a Congenital Microcoria doctor in Japan?

    There are various reasons why you may want to see a specialist, such as: 

    • Your primary care provider recommends it. 
    • Your condition requires expert knowledge and specialized care. 
    • Your symptoms persist or worsen despite treatment. 
    • You need specialized testing or procedures. 
    • You want a second opinion.  

    What should I consider when choosing a Congenital Microcoria doctor in Japan?

    It’s important to see a provider with expertise in your specific condition. Each provider profile in MediFind’s doctor database includes information on which conditions they treat, years of experience, research contributions, languages spoken, insurance plans accepted, and more.  

    How do I find the best Congenital Microcoria doctor in Japan?

    You can find a Congenital Microcoria doctor in any of the 10 largest U.S. cities by clicking below:

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    How does MediFind rank Congenital Microcoria doctors in Japan?

    MediFind’s rankings are based on a variety of data sources, such as the number of articles a doctor has published in medical journals, participation in clinical trials and industry conferences, as well as the number of patients that provider sees for a given condition. Note that MediFind’s provider database is not based on user reviews, and providers do not pay to be included in the database. 

    What types of insurance are accepted by Congenital Microcoria doctors in Japan?

    Most profiles in MediFind’s doctor database include a list of insurance plans accepted by that provider. However, it’s a good idea to contact the provider’s office to make sure they still accept your insurance, then doublecheck by contacting your insurance plan to confirm they’re in network. 

    How can I book an appointment online with a Congenital Microcoria doctor in Japan?

    MediFind offers direct scheduling for certain providers using the “Request Appointment” button on that provider’s profile. If the schedule option is not available for a provider, tap the red “Show Phone Number” button on their profile to get their contact information. If you prefer to find providers who offer online scheduling, select “Schedules online” under the “Availability” category of the filter feature on the left side of the Congenital Microcoria doctor search results page. 

    Why is it important to get a second opinion from a different Congenital Microcoria doctor?

    Second opinions are an opportunity to confirm a diagnosis and its root cause, learn about alternative treatment options, or simply gain peace of mind. Many people, especially those with serious diagnoses, get second opinions so they can understand all their options and make informed decisions, so don’t hesitate to get one if you have any doubts or need more information or clarification regarding your care. Note that some insurance plans require second opinions, while others don’t cover second opinions, so be sure to confirm with your insurance provider first.   

    How can I prepare for my appointment with a Congenital Microcoria doctor in Japan?

    Prepare for your appointment by gathering the following items: 

    • Copies of medical records (dating back at least one year) 
    • Your medical history, including illnesses, medical conditions, surgeries, and other doctors you see 
    • Family history of disease 
    • List of current prescription drugs, over-the-counter medicines, vitamins, and herbal remedies or supplements including names and doses 
    • Allergies to medications, food, latex, insects, etc.  
    • List of questions and concerns 
    • Your insurance card 

    You might also contact the provider’s office to see if they offer transportation or childcare services or if you’re allowed to bring a loved one for support or to take notes during your visit. 

    What questions should I ask my Congenital Microcoria doctor?

    Here are some sample questions: 

    • Can you explain in simple terms what this condition is and how it’s treated? 
    • What symptoms or side effects should I watch for? 
    • What tests will be involved, and when can I expect results? 
    • Are there other specialists I need to see? 
    • What’s the best way to reach you if I have follow-up questions? 

    How can I learn about the latest clinical trials and research advances my Congenital Microcoria doctor may know about?

    MediFind’s Clinical Trials tool asks you a series of questions to help you narrow down your search by health condition, age, gender, location, how far you’re willing to travel, and more. Each question you answer filters down the number of trials until you find the ones that are most relevant to you. 

    MediFind’s Latest Advances tool features summaries of recent articles published in medical journals. We use cutting-edge technology to scour medical publication databases for the latest research advancements on any given condition, then we simplify this information in a way that’s useful and easy to understand. 

    Can I filter my search to show male or female Congenital Microcoria doctors in Japan?

    Look for the filter feature on the left side of the Congenital Microcoria doctor search results page. Select “Female” or “Male” under the “Gender” category to search for female or male providers exclusively. If the “Any” option is selected, it will pull results for both male and female providers. 

    Can I filter my search to find a Congenital Microcoria doctor that offers video calls?

    Look for the filter feature on the left-side of the Congenital Microcoria doctor search results page. Select “Offers telehealth visits” under the Availability category to search for providers who offer virtual appointments (video calls). 

    Reviewed on: 11/11/24  

    By: MediFind Medical Staff 

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