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Ophthalmology

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Eyelid

Question
8 out of 17
 

Ptosis with weakness of orbicularis oculi is seen in (LQ)



A Polymyositis

B Myasthenia gravis

C Eaton-Lambert myasthenic syndrome

D Thyrotoxicosis

Ans. B [Myasthenia-gravis] Q

Common ophthalmic features of M. gravis

a. Common - Ptosis, and diplopia, inability to maintain sustained upgange Cogan’s, 'lid-twitch' sign, weakness of orbicularis oculi,

b. Uncommon - Pseudo-internuclear ophthalmoplegia Q

Positive ice test Q - The degree of ptosis dicreases after an ice pack is placed on the eyelid for 2 minutes, the test is negative in non-myasthenic ptosis

Eyelid Flashcard List

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