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Living with Patterned macular dystrophy 3

A rare inherited eye condition with patterned lines in the macula that can slowly reduce vision in adulthood.

Understanding Patterned macular dystrophy 3

Patterned macular dystrophy 3 is a rare inherited eye disease that affects the macula, the center of the retina.

Eye exams show a dried-out-soil pattern of white lines in the macula. The lesions slowly grow over time. Complications can include abnormal blood vessels or scarring in the macula, which can reduce sharp vision. It typically begins in adulthood.

Signs & symptoms

GARD lists these less common features:

  • Less clear vision
  • Wasting of the macula (macular atrophy)
  • Abnormal blood vessel growth under the retina
  • Rod-cone dystrophy (loss of light-sensing cells)

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

    Specialists who may be involved include eye disease specialists and genetic specialists.

  3. Consider genetic testing

    Changes in MAPKAPK3 are linked to this condition. Genetic testing and counseling can help confirm a diagnosis and explain what it means for your family.

Care & treatment

Care team
Eye disease specialists (ophthalmologists); Genetic specialists (geneticists)
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
How often should my retina be checked for complications?
Which treatments could help if abnormal blood vessels form?
Should relatives have MAPKAPK3 testing?

Quick facts

Symptoms usually startAdult
InheritanceAutosomal Dominant
GenesMAPKAPK3

Changes in the MAPKAPK3 gene cause this condition. It is autosomal dominant, which means one changed copy of the gene is enough to cause it.

Genetic

Also known as: macular dystrophy, patterned, 3; macular dystrophy, patterned, type 3; mapkapk3 patterned macular dystrophy; martinique crinkled retinal pigment epitheliopathy; mcrpe; mcrpe - martinique crinkled retinal pigment epitheliopathy

Patient organizations

Rare-disease groups that can help

Source: NIH GARD · Patterned macular dystrophy 3GARD ID 17826 · 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 Patterned macular dystrophy 3.

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