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Updated: May 22, 2025

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Optic Nerve Transection: A Model of Adult Neuron Apoptosis in the Central Nervous System
Published on: May 12, 2011
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Traumatic bilateral optic nerve avulsion in a teen
Chaitra Jayadev1, Priyanka Gandhi1, Anusha Aravind2
1Department of Vitreo-Retina, Narayana Nethralaya, Bangalore, India.
Summary
Severe head injuries from a road accident caused bilateral optic nerve avulsion in a teen. This condition, involving optic nerve detachment, leads to complete vision loss and a uniformly poor visual prognosis.
Area of Science:
- Ophthalmology
- Neuroscience
- Trauma Surgery
Background:
- Road traffic accidents are a leading cause of traumatic brain and facial injuries.
- Optic nerve avulsion, a severe ocular injury, can result from high-impact trauma.
- Understanding the mechanism and prognosis of bilateral optic nerve avulsion is crucial for patient management.
Observation:
- A 16-year-old male presented with bilateral vision loss after a severe road traffic accident.
- Ophthalmic examination revealed complete optic nerve avulsion in the right eye and optic nerve avulsion with intact nerve sheath in the left eye.
- B-scan ultrasonography and MRI confirmed the bilateral optic nerve avulsion.
Findings:
- The patient experienced no light perception vision in both eyes.
- Post-injury follow-up revealed extensive posterior pole gliosis in both eyes.
- Bilateral optic nerve avulsion is associated with a uniformly poor visual prognosis.
Implications:
- This case highlights the devastating visual consequences of severe head trauma.
- Accurate diagnosis and understanding of the pathomechanism are essential for predicting outcomes.
- The uniformly poor prognosis underscores the need for preventative measures against traumatic injuries.
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