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Living with Cataract-hypertrichosis-intellectual disability syndrome

A rare condition with cataracts at birth, extra body hair, and intellectual disability.

Understanding Cataract-hypertrichosis-intellectual disability syndrome

Cataract-hypertrichosis-intellectual disability syndrome is a condition with cataracts from birth, extra hair all over the body (hypertrichosis), and intellectual disability.

Other features can include small teeth, a flat nasal bridge, a funnel chest, a low hairline at the back of the neck, and a palate that is shaped differently. It begins in the newborn period.

Signs & symptoms

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

  • Cataract present at birth
  • Extra hair over the body
  • Intellectual disability
  • Small teeth (microdontia)
  • Funnel chest (pectus excavatum)
  • Low hairline at the back of the neck

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 brain and nervous system specialists, eye disease specialists, genetic specialists and skin, hair, and nail specialists.

  3. Ask which tests can help

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

  4. Connect with expert centers

    National Foundation for Ectodermal Dysplasias may keep lists of experts for this condition.

Care & treatment

Care team
Brain and nervous system specialists (neurologists); Eye disease specialists (ophthalmologists); Genetic specialists (geneticists); Skin, hair, and nail specialists (dermatologists)
Expert care
Expert lists: National Foundation for Ectodermal Dysplasias
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 National Foundation for Ectodermal Dysplasias and other patient organizations
  • 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 eye care and surgery might my child need?
What learning supports are available?
Could genetic counseling help our family?

Quick facts

Symptoms usually startNewborn
InheritanceAutosomal Recessive

GARD says changes in genes cause this condition. It is inherited in an autosomal recessive way, so a child inherits a changed copy of a gene from each parent.

GeneticNeurologicalSkin

Also known as: cahmr (cataract, hypertrichosis, mental retardation) syndrome; cahmr syndrome; congenital cataract with hypertrichosis and intellectual disability syndrome

Patient organizations

Source: NIH GARD · Cataract-hypertrichosis-intellectual disability syndromeGARD ID 1052 · 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 Cataract-hypertrichosis-intellectual disability syndrome.

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