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Living with Osteogenesis imperfecta with normal sclerae, dominant form

Osteogenesis imperfecta type IV, the most variable form, ranging from moderately severe to so mild it is hard to diagnose.

Understanding Osteogenesis imperfecta with normal sclerae, dominant form

Osteogenesis imperfecta with normal sclerae, dominant form (type IV) is a form of osteogenesis imperfecta, a group of conditions that affect the bones.

It is the most variable form, with symptoms from moderately severe to very mild. Symptoms may include easily broken bones, mild short stature, tooth differences, adult-onset hearing loss, and normal-to-gray whites of the eyes. GARD lists newborn and infant years as the usual onset.

Signs & symptoms

Symptoms vary from person to person. GARD describes these in its summary:

  • Easily broken bones
  • Mild short stature
  • Tooth differences (dentinogenesis imperfecta)
  • Hearing loss that starts in adulthood
  • Normal to gray whites of the eyes

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 bone and joint specialists, eye disease specialists, genetic specialists and gum, teeth and mouth 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

    Osteogenesis Imperfecta Foundation and Children's Brittle Bone Foundation may keep lists of experts for this condition.

Care & treatment

Care team
Bone and joint specialists (orthopedists or orthopedic surgeons); Eye disease specialists (ophthalmologists); Genetic specialists (geneticists); Gum, teeth and mouth specialists (odontologists)
Expert care
Expert lists: Osteogenesis Imperfecta Foundation, Children's Brittle Bone Foundation
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 Osteogenesis Imperfecta Foundation 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
How can I lower the chance of fractures?
How often should my hearing be checked?
Would COL1A1 or COL1A2 genetic testing help my relatives?

Quick facts

Symptoms usually startNewborn and as an Infant
InheritanceAutosomal Dominant, Autosomal Recessive, X-Linked

Changes in the COL1A1 or COL1A2 gene cause this condition. GARD lists autosomal dominant inheritance among the patterns.

Genetic

Also known as: common variable osteogenesis imperfecta with normal sclerae; oi type 4; oi4; osteogenesis imperfecta type 4; osteogenesis imperfecta type iv; osteogenesis imperfecta with normal sclera

Patient organizations

Source: NIH GARD · Osteogenesis imperfecta with normal sclerae, dominant formGARD ID 8696 · GARD page updated September 2026 · Plain-language summary by Know Rare; editorial review pending. General information, not medical advice.

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