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Living with Central cloudy dystrophy of Francois

A very rare eye condition with cloudy spots in the cornea that usually does not affect vision.

Understanding Central cloudy dystrophy of Francois

Central cloudy dystrophy of Francois is a very rare condition of the cornea, the clear front of the eye, with cloudy patches in its middle layer (stroma).

The cloudy patches are polygon-shaped or rounded, with clear tissue around them. They generally do not affect vision. It starts in childhood.

Signs & symptoms

GARD doesn't list a separate symptom list for this condition. Its summary describes this feature:

  • Cloudy patches in the cornea
  • Usually no effect on vision

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. Ask which tests can help

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

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 Corneal Dystrophy Foundation
  • 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
Does this condition need any treatment?
How often should my eyes be checked?
Should my relatives have eye exams?

Quick facts

Symptoms usually startChild
InheritanceAutosomal Dominant

GARD says changes in genes cause this condition. It is inherited in an autosomal dominant way, so one changed copy of a gene can cause it. No specific gene is listed.

Genetic

Also known as: ccdf; central cloudy corneal dystrophy of françois; central cloudy dystrophy of françois; francois' cloudy dystrophy of cornea

Patient organizations

Source: NIH GARD · Central cloudy dystrophy of FrancoisGARD ID 16881 · 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 Central cloudy dystrophy of Francois.

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Explore actively recruiting Central cloudy dystrophy of Francois studies with HealthSpark.

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  • Eligibility is confirmed by the study team

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