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Living with Familial pterygium of the conjunctiva

A noncancerous pink growth that spreads from the white of the eye onto the cornea and may affect vision.

Understanding Familial pterygium of the conjunctiva

Familial pterygium of the conjunctiva is a noncancerous pink growth that spreads from the conjunctiva onto the cornea of the eye.

It usually starts on the inner side of the eye and grows toward the pupil. Depending on its size, it can cause vision problems. Long-term exposure to ultraviolet light has been linked to it. In this form it runs in families, usually starting in the teen or adult years.

Signs & symptoms

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

  • Pink growth on the eye surface
  • Vision problems
  • Clouding of the cornea

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.

  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)
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
Does my growth need treatment or just monitoring?
How can I protect my eyes from UV light?
Should my relatives have their eyes checked?

Quick facts

Symptoms usually startTeenager and as an Adult
InheritanceAutosomal Dominant

It runs in families in an autosomal dominant way, which means one changed copy of a gene is enough. GARD says long-term UV light exposure has also been linked to it, and doesn't name a gene.

Also known as: autosomal dominant pterygium of conjunctiva; pterygium of conjunctiva and cornea; pterygium of conjunctiva familial form

Patient organizations

Rare-disease groups that can help

Source: NIH GARD · Familial pterygium of the conjunctivaGARD ID 4569 · 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 Familial pterygium of the conjunctiva.

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