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Living with Achromatopsia 6

A rare retina condition that causes reduced vision sharpness, shaky eye movements, light sensitivity, and little or no color vision.

Understanding Achromatopsia 6

Achromatopsia 6 is a rare eye disease that affects the retina, the light-sensitive tissue at the back of the eye.

It causes reduced sharpness of vision, shaking eye movements, strong sensitivity to light, a small blind spot near the center of vision, and reduced or complete loss of color vision. In most people all three cone cell types do not work. In some, one or more still work partly, so symptoms are less severe. Farsightedness is common. Eye movement problems start in the first few weeks after birth.

Signs & symptoms

Symptoms vary from person to person. GARD lists these among the most common:

  • Reduced sharpness of vision
  • Color blindness
  • Sensitivity to light (photophobia)
  • Shaky eye movements (nystagmus)
  • Severe nearsightedness
  • Cone dystrophy

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.

  4. Connect with expert centers

    Foundation Fighting Blindness may keep lists of experts for this condition.

Care & treatment

Care team
A doctor familiar with rare conditions, plus specialists as needed
Expert care
Expert lists: Foundation Fighting Blindness
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 Foundation Fighting Blindness
  • 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
What gene change was found, and how is it inherited in our family?
What aids can help with vision and light sensitivity?
How often should my eyes be checked?

Quick facts

InheritanceAutosomal Dominant, Autosomal Recessive

GARD lists both autosomal dominant and autosomal recessive inheritance. It doesn't list a specific gene in this record.

Also known as: achm6; rcd3a; retinal cone dystrophy 3a; retinal cone dystrophy type 3a

Patient organizations

Source: NIH GARD · Achromatopsia 6GARD ID 10648 · 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 Achromatopsia 6.

Explore the Achromatopsia 6 blog

Explore research for Achromatopsia 6

Explore actively recruiting Achromatopsia 6 studies with HealthSpark.

HealthSpark

Find actively recruiting studies for Achromatopsia 6 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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