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PubMed This is a summary of 18 peer-reviewed journal articles Updated
Neurology

Vision, Brain Health, and Neurodevelopment

At a Glance

Children with Septo-Optic Dysplasia (SOD) often face vision challenges like optic nerve hypoplasia and cortical visual impairment, alongside developmental delays. Early intervention therapies and monitoring for seizures are crucial steps to help maximize their neurodevelopmental potential.

While managing your child’s medical health is a priority, supporting their vision and neurodevelopment is where you will likely see the most day-to-day progress. Because Septo-Optic Dysplasia (SOD) affects the brain’s pathways and the eyes’ connections, children often follow a unique developmental timeline [1][2]. With early, consistent support, children can develop significant skills and reach their personal best [3][4].

Maximizing Vision Potential

In SOD, vision issues stem from two main sources:

  1. Optic Nerve Hypoplasia (ONH): The optic nerves are underdeveloped, leading to issues with clarity, visual field, and eye movements (like nystagmus or shaking eyes) [5][6].
  2. Cortical Visual Impairment (CVI): The eyes may function, but the brain has difficulty processing visual information [1]. CVI is highly common in the SOD spectrum due to brain malformations.
  • Specialized Support: While an ophthalmologist will monitor eye health, children with CVI benefit from specific visual therapies. Using “high-contrast” environments (bright, solid colors) and reducing visual clutter are classic interventions for CVI, helping the brain learn to interpret what the eyes see [3]. Ensure your child is evaluated for CVI so they can receive these targeted therapies.

The Power of Early Intervention

Because the brain is highly adaptable in early childhood, early intervention—starting therapies as soon as possible—is the standard of care for SOD [7][4].

  • Physical Therapy (PT): Helps with “gross motor” milestones like rolling, sitting, and walking. Some children with SOD have low muscle tone (hypotonia), and PT provides the strength needed for these movements [2][8].
  • Occupational Therapy (OT): Focuses on “fine motor” skills, such as grasping toys or eventually feeding themselves. OTs also help with sensory processing [3].
  • Speech and Language Therapy: Supports communication, whether through sounds, words, or signs. It also addresses feeding or swallowing difficulties [3].

Neurological Health and Seizures

Some children with SOD, particularly those with “SOD-plus,” have a higher risk for epilepsy (recurrent seizures) [9][10].

  • Cortical Malformations: If an MRI shows findings like schizencephaly (slits in the brain) or grey matter heterotopia, the risk for seizures is higher [11][12].
  • What to watch for: Seizures in SOD are often “focal,” meaning they might look like a staring spell, a repetitive movement, or a sudden change in alertness [11][13].
  • Monitoring: If seizures are suspected, your neurologist may order an EEG (a test that records the brain’s electrical activity) to determine the best treatment plan [3][13].

Understanding Brain Structures and Development

Your child’s MRI might mention the corpus callosum (the bridge between the two sides of the brain). While abnormalities here can be linked to developmental delays, they do not define a child’s future [14][2].

Developmental progress in SOD is influenced by a combination of factors:

  1. Hormone Stability: Ensuring thyroid and growth hormones are balanced is essential for brain energy and focus [7][15].
  2. Sensory Support: Providing a vision-rich and physically supportive environment [3].
  3. Neuropsychological Care: Ongoing assessments to tailor your child’s education and social support as they grow [3][16].

By working with a multidisciplinary team, you can build a roadmap that focuses on your child’s strengths while supporting their specific visual and neurological needs [17][18].

Common questions in this guide

What vision problems are common in Septo-Optic Dysplasia?
Children with SOD frequently experience Optic Nerve Hypoplasia (underdeveloped optic nerves) and Cortical Visual Impairment (difficulty processing visual information in the brain). They may also have nystagmus, which causes rapid, involuntary eye movements.
Why is early intervention important for a child with SOD?
Early intervention is crucial because a young child's brain is highly adaptable. Starting physical, occupational, and speech therapies as soon as possible helps children build muscle strength, improve fine motor skills, and develop communication abilities.
Are seizures common in children with Septo-Optic Dysplasia?
Seizures can occur, especially in children with SOD-plus who have specific brain malformations like schizencephaly or grey matter heterotopia. These seizures may not always cause convulsions; they can sometimes look like staring spells, repetitive movements, or sudden changes in alertness.
How does an abnormal corpus callosum affect my child's development?
While an underdeveloped or missing corpus callosum can be linked to developmental delays, it does not define your child's future. With targeted therapies, hormone stability, and supportive environments, children can continue to develop skills and reach their personal milestones.

Questions for Your Doctor

5 questions

  • •Does my child's MRI show schizencephaly or other cortical malformations that increase the risk for seizures?
  • •Has my child been evaluated specifically for Cortical Visual Impairment (CVI) alongside Optic Nerve Hypoplasia (ONH)?
  • •Should my child have a baseline EEG to monitor for silent seizure activity?
  • •How do my child's brain findings specifically relate to their motor or speech milestones?
  • •Can you help me coordinate a multidisciplinary meeting between my child's neurologist, therapist, and endocrinologist?

Questions for You

4 questions

  • •What are my child's current strengths, and how can we use those to help them learn new skills?
  • •Have I noticed any 'staring spells' or unusual rhythmic movements that I should record to show the doctor?
  • •How is our current therapy schedule affecting our family's daily life, and do we need to adjust for better balance?
  • •Does my child seem to see better in certain lighting or when looking at high-contrast colors?

References

References (18)
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    International journal of surgery case reports 2023; (109()):108575 doi:10.1016/j.ijscr.2023.108575.

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    Clinical and Radiologic Spectrum of Septo-optic Dysplasia: Review of 17 Cases.

    Alt C, Shevell MI, Poulin C, et al.

    Journal of child neurology 2017; (32(9)):797-803 doi:10.1177/0883073817707300.

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    The Prevalence of Septo-Optic Dysplasia in Neonates with Absent Cavum Septi Pellucidi Identified during Routine Prenatal Imaging.

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    Visual Acuity Outcomes in Children With Optic Nerve Hypoplasia and Septo-Optic-Pituitary Dysplasia.

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    Septo-optic dysplasia plus syndrome in a 2-year-old child: A case report.

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This page provides educational information about neurodevelopment and vision in Septo-Optic Dysplasia. Always consult your child's pediatric neurologist or ophthalmologist for specific medical advice.

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