Septo Optic Dysplasia: Causes, Symptoms, and Treatment
Medically reviewed by Harsha Moole, MD, Internal Medicine. Last reviewed: October 2, 2026.
What kind of doctor treats Septo Optic Dysplasia?
An ophthalmologist usually helps diagnose and follow the vision problems. Most children also see a pediatric endocrinologist for hormone care and may see a neurologist for brain-related concerns. A primary care doctor often helps coordinate this team, tracking growth and development, ordering lab work, and referring the child to specialists.
What it is
Septo optic dysplasia is a rare condition that a baby is born with. It affects the septum pellucidum, a thin wall in the middle of the brain, which is missing or partly missing in many children. The optic nerves, the cords that carry sight signals from the eyes to the brain, do not develop the way they should. Many children also have problems with the pituitary gland, a small gland at the base of the brain that makes hormones. Doctors sometimes call this condition de Morsier syndrome. Not every child has all three problems; each child is different.
Symptoms
The signs of septo optic dysplasia can range from mild to serious. They depend on which parts of the brain and eyes are affected. Common signs include vision problems, eyes that move in a shaky or drifting way, slow growth, and hormone issues such as low blood sugar or poor weight gain.
Causes and who gets it
Doctors do not know the exact cause. Most cases happen by chance, and only a small number seem linked to changes in genes. It is slightly more common in babies born to younger mothers and affects boys and girls alike.
How doctors diagnose it
Doctors start with an eye exam to check the optic nerves and vision. An MRI scan of the brain can show whether the septum pellucidum and pituitary gland look normal. Blood tests measure hormone levels to see if the pituitary gland is working the way it should.
Treatment
There is no cure, but treatment helps manage each problem. Hormone problems are treated with medicines that replace the missing hormones, such as growth hormone or thyroid hormone. Vision problems are supported with glasses, low vision aids, and early vision services. Regular checkups track growth, development, and hormone levels over time.
When to see a doctor
Parents should talk to a doctor if a baby does not seem to look at faces or follow objects, if the eyes shake or drift, or if the baby grows much more slowly than expected. A newborn with very low blood sugar, constant thirst, or unusual tiredness needs a doctor's attention right away. Early testing can find hormone problems before they cause serious harm.
Common questions
Can a child with septo optic dysplasia live a normal life?
Many children with this condition grow up and do well with the right support. The outlook depends on how severe the vision, hormone, and brain problems are. Some children have mild issues, while others need lifelong care.
Is septo optic dysplasia inherited?
Most cases are not passed down from parents. A small number of cases seem linked to changes in genes. Families with questions about this can ask about genetic testing and counseling.
Can vision get better over time?
Vision usually stays about the same. However, some children's eye movements improve as they get older. Early vision services can help a child make the most of the sight they have. Results differ from child to child.
How common is septo optic dysplasia?
It is rare. Studies suggest it happens in roughly 1 in every 10,000 live births, though exact numbers vary.
Sources
- NIH Genetic and Rare Diseases Information Center - Septo-optic dysplasia
- MedlinePlus Genetics - Septo-optic dysplasia
- American Association for Pediatric Ophthalmology and Strabismus - Septo-optic dysplasia
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.
