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Published on: August 11, 2016
Hypoplastic optic nerves and pituitary dysfunction. A spectrum of anatomical and endocrine abnormalities
Insights
This study describes 14 children with optic nerve hypoplasia, noting vision impairment and potential mid-brain or pituitary issues. Hypoglycemia is crucial for diagnosis and managing developmental delays in these cases.
Area of Science:
- Pediatric Ophthalmology
- Neurodevelopmental Disorders
- Endocrinology
Background:
- Optic nerve hypoplasia (ONH) is a congenital condition affecting vision.
- ONH can be associated with central nervous system abnormalities, including pituitary dysfunction and mid-brain issues.
- Early diagnosis and management are critical for affected children.
Observation:
- The study details 14 children diagnosed with optic nerve hypoplasia.
- All patients presented with partial sight or blindness.
- Associated conditions included mid-brain abnormalities and/or pituitary dysfunction.
Findings:
- Hypoglycemia, both in the neonatal period and later childhood, is highlighted as significant for diagnosis and developmental delay.
- Pituitary dysfunction observed was variable and potentially progressive.
- The presence or absence of the septum pellucidum was not a reliable radiological marker for this condition in 40% of patients.
Implications:
- Emphasizes the need for careful monitoring of blood glucose levels in children with ONH.
- Highlights the importance of long-term endocrine follow-up for managing progressive pituitary dysfunction.
- Suggests a comprehensive diagnostic approach beyond solely relying on radiological markers like the septum pellucidum.
Abstract:
Fourteen children with optic nerve hypoplasia associated with either mid-brain abnormalities or pituitary dysfunction, or both, are described. All patients were either partially sighted or blind. One case is reported in detail. The importance of hypoglycaemia in the neonatal period and later in childhood is emphasised in relation to diagnosis and developmental delay. Pituitary dysfunction is variable and may be progressive. Forty percent of the patients had a septum pellucidum and its presence or absence cannot be used as a radiological marker for the condition. Long term endocrine follow up of these patients is required.
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