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Living with Corneal dystrophy-perceptive deafness syndrome

A rare genetic condition with cloudy corneas from birth and hearing loss that worsens over time.

Understanding Corneal dystrophy-perceptive deafness syndrome

Corneal dystrophy-perceptive deafness syndrome (CDPD or Harboyan syndrome) is a rare condition that combines a clouding of the cornea with progressive hearing loss.

The corneal problem is called congenital hereditary endothelial dystrophy (CHED). The hearing loss is sensorineural, meaning it involves the inner ear or its nerve, and it starts after speech has developed (postlingual). It is present from birth.

Signs & symptoms

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

  • Cloudy cornea (corneal dystrophy)
  • Vision problems
  • Hearing loss from the inner ear
  • Involuntary eye movements (nystagmus)

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 ear, nose, and throat specialists, eye disease specialists and genetic specialists.

  3. Consider genetic testing

    Changes in SLC4A11 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
Ear, nose, and throat specialists (otolaryngologists); 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
Would SLC4A11 gene testing help our family?
How often should hearing and eyes be checked?
What options can help with corneal clouding and hearing loss?

Quick facts

Symptoms usually startNewborn
InheritanceAutosomal Recessive
GenesSLC4A11

It is caused by changes in the SLC4A11 gene. It is autosomal recessive, meaning a child inherits a changed copy of the gene from each parent.

Genetic

Also known as: cdpd; congenital hereditary endothelial dystrophy and perceptive deafness syndrome; corneal dystrophy and perceptive deafness syndrome; corneal dystrophy and sensorineural deafness; corneal dystrophy with progressive deafness; corneal dystrophy with progressive hearing loss

Patient organizations

Source: NIH GARD · Corneal dystrophy-perceptive deafness syndromeGARD ID 1529 · 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 Corneal dystrophy-perceptive deafness syndrome.

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