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Optic disc contractility in morning glory disc anomaly
Netan Choudhry1, Katherine A Lane, Alejandra G de Alba Campomanes
1Massachusetts Eye & Ear Infirmary, 12th Floor, 243 Charles Street, Boston, MA 02141, USA. netan.choudhry@gmail.com
Journal of Pediatric Ophthalmology and Strabismus
|February 18, 2011
Summary
Morning glory disc anomaly, a rare congenital optic disc condition, can cause temporary vision loss due to smooth muscle contraction. This case highlights induced contractility via ocular massage, an unusual presentation of this optic nerve abnormality.
Area of Science:
- Ophthalmology
- Neuroscience
- Congenital Abnormalities
Background:
- Morning glory disc anomaly is a rare, sporadic congenital condition affecting the optic disc.
- It is characterized by heterotropic smooth muscle within the optic disc.
- This anomaly is typically unilateral and can lead to transient vision loss due to spontaneous contractions.
Observation:
- The study reports an unusual case involving a patient with Morning glory disc anomaly.
- The anomaly exhibited contractility that was specifically induced by ocular massage.
- This represents a novel trigger for the observed contractile phenomenon.
Findings:
- Ocular massage was found to induce contractility in the Morning glory disc anomaly.
- This induced contractility resulted in transient vision loss.
- The findings suggest a potential mechanism for vision disturbances in affected individuals.
Implications:
- This case expands the understanding of Morning glory disc anomaly's pathophysiology.
- It suggests that external stimuli, like ocular massage, can trigger symptoms.
- Further research may explore the role of smooth muscle excitability in optic nerve disorders.
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