Question:
Which is the Most common ocular finding in myasthenia gravis?
Which is the Most common ocular finding in myasthenia gravis?
Updated On: Jul 14, 2025
- Ptosis
- Lagophthalmos
- Proptosis
- Enophthalmos
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The Correct Option is A
Solution and Explanation
The most common ocular finding in myasthenia gravis is ptosis. Myasthenia gravis is a neuromuscular disorder characterized by weakness and fatigue of the skeletal muscles, and it often affects the muscles controlling the eyes and eyelids. The hallmark symptom in this condition is fatigable muscle weakness, which typically presents in the ocular muscles first. Ptosis, or drooping of the upper eyelid, occurs due to weakness in the levator palpebrae superioris muscle, which is responsible for elevating the eyelid.
| Options | Explanation |
|---|---|
| Ptosis | Drooping of the upper eyelid, common in myasthenia gravis. |
| Lagophthalmos | Inability to fully close the eyelids, less common in myasthenia. |
| Proptosis | Bulging of the eye, not typically associated with myasthenia gravis. |
| Enophthalmos | Sunken appearance of the eye, not common in myasthenia gravis. |
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