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Living with Sinus node disease and myopia

A rare inherited condition that affects the heart's natural pacemaker and the eyes, causing nearsightedness.

Understanding Sinus node disease and myopia

Sinus node disease and myopia is a condition that causes problems with the heart and eyes.

Sinus node disease affects the heart's natural pacemaker and can cause an irregular heartbeat and dizziness. Myopia (nearsightedness) makes it hard to see far away objects. In one family studied, people had severe degenerative myopia, which gets worse with age.

Signs & symptoms

GARD doesn't list specific symptoms for this condition yet. Based on its summary, features include:

  • Irregular heartbeat
  • Dizziness
  • Trouble seeing distant objects (myopia)
  • Nearsightedness that worsens with age

Not everyone has every symptom. GARD's list comes from the Human Phenotype Ontology.

Diagnosis

  1. Talk with your doctor

    Share the symptoms you've noticed, when they started and your family health history. Notes and photos can help.

  2. See a specialist

    Your doctor may refer you to a specialist who knows rare conditions.

  3. Ask which tests can help

    Your care team will decide which exams and tests can confirm the diagnosis.

Care & treatment

Care team
A doctor familiar with rare conditions, plus specialists as needed
Expert care
Ask about multidisciplinary care centers for rare conditions
Treatment
GARD doesn't list specific treatments for this condition. Your care team will tailor care to your symptoms.
Research
Clinical trials and observational studies may be options. See the research section below.

General information, not medical advice. Your care team makes the decisions.

Everyday life

Living with a rare condition is easier with support.

  • Connect with rare disease patient organizations for support
  • Keep notes on symptoms, changes and questions for appointments
  • Ask about patient registries that help research
  • Look into financial aid and travel resources for care visits
Bring these questions to your next doctor visit
Which heart tests check the pacemaker?
How often should my eyes be checked?
Could other family members be affected?

Quick facts

InheritanceAutosomal Dominant

GARD doesn't list a gene. The condition is inherited in an autosomal dominant pattern, meaning one changed copy of a gene is enough.

Also known as: sick sinus syndrome and myopia; sss-myopia syndrome

Patient organizations

Rare-disease groups that can help

Source: NIH GARD · Sinus node disease and myopiaGARD ID 4880 · GARD page updated September 2026 · Plain-language summary by Know Rare; editorial review pending. General information, not medical advice.

You are more than your diagnosis

Perspectives from people navigating life with Sinus node disease and myopia.

Explore the Sinus node disease and myopia blog

Explore research for Sinus node disease and myopia

Explore actively recruiting Sinus node disease and myopia studies with HealthSpark.

HealthSpark

Find actively recruiting studies for Sinus node disease and myopia with HealthSpark. Share your city to explore research near you.

  • Recruiting studies from ClinicalTrials.gov
  • Share your city to look for research near you
  • Eligibility is confirmed by the study team

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Powered by HealthSpark, our AI chat helper · Study information from ClinicalTrials.gov · Eligibility is confirmed by the study team.

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