Peters Anomaly: Causes, Symptoms, and Treatment
Medically reviewed by Harsha Moole, MD, Internal Medicine. Last reviewed: October 2, 2026.
What kind of doctor treats Peters Anomaly?
A pediatrician is often the first to notice the problem and will refer the family to a specialist, usually a pediatric ophthalmologist, an eye doctor for children. If other organs are affected, other specialists may join the care team. A direct primary care or concierge doctor can be a first stop for an evaluation and can refer you to a specialist when needed.
What it is
Peters anomaly is a rare eye problem present at birth that affects the cornea, the clear front window of the eye. Parts of the cornea may be cloudy, and the iris or the lens behind it may be stuck to it, blocking light from reaching the back of the eye.
Symptoms
The main sign is a cloudy or milky-looking cornea, often visible soon after birth, which blocks light from reaching the back of the eye. Some children have glaucoma, elevated pressure inside the eye that can damage vision.
Causes and who gets it
Peters anomaly happens when the eye does not develop normally during pregnancy. Some cases run in families and are linked to gene changes; others may relate to pregnancy factors such as a vitamin shortage or a maternal infection.
How doctors diagnose it
Doctors can often spot Peters anomaly with a close eye exam soon after birth, using a slit lamp. An ultrasound can show whether parts inside the eye are stuck together, and genetic testing may check for inherited causes.
Treatment
Treatment depends on how cloudy the cornea is and whether one or both eyes are affected. If glaucoma is present, doctors treat it with drops, medicines, or surgery. When cloudiness is severe, a surgeon may replace the cloudy cornea with clear donor tissue (a corneal transplant), often early in life so the brain can learn to see.
When to see a doctor
If a baby has a cloudy, white, or milky area in the eye, contact a doctor right away. Early care matters because the brain learns to see during the first months and years of life.
How a direct primary care or concierge doctor fits in
A direct primary care doctor is paid a flat monthly fee instead of billing insurance, while a concierge doctor charges more and often works with insurance. Either one can be a steady partner for a family dealing with Peters anomaly. They cannot replace the specialist's care, but they will refer and coordinate with one when needed.
Common questions
Can Peters anomaly be cured?
There is no simple cure, but treatments such as eye drops and corneal transplant surgery can improve vision in many children. How much vision improves depends on how severe the cloudiness is and whether one or both eyes are affected. Results differ from child to child.
Will my child go blind?
Some children with Peters anomaly have serious vision loss, especially when both eyes are affected. Others keep useful vision with treatment. An eye specialist can give a clearer picture of an individual child's outlook.
Can it be found before birth?
Sometimes a cloudy cornea can be seen on a prenatal ultrasound. Often, though, the problem is not found until the baby is born and the eyes are examined.
Does Peters anomaly run in families?
Some cases are inherited and linked to gene changes, while others happen with no family history at all. Genetic testing can help families learn whether the condition might pass to future children.
Sources
- MedlinePlus Genetics - Peters plus syndrome
- NIH Genetic and Rare Diseases Information Center - Irido-corneo-trabecular dysgenesis
- American Academy of Ophthalmology - Peters anomaly
Medical Disclaimer
This content is for general educational and informational purposes only and is not medical advice. It is not a substitute for professional medical advice, diagnosis, or treatment, and reading it does not create a doctor-patient relationship. Always seek the advice of your physician or another qualified health provider with any questions about a medical condition, and never disregard or delay seeking professional advice because of something you read here. If you think you may have a medical emergency, call 911 (or your local emergency number) immediately.
