- A dictionary of medical eponyms

Gunn's phenomenon

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Syndrome of ptosis in which chewing or lateral movement of the jaw causes elevation of the eyelid. Inherited, congenital, or acquired condition. When acquired, condition may appear at any age. It may occur in successive generations. Inheritance is irregular dominant.


  • R. Marcus Gunn:
    Congenital ptosis with peculiar associated movements of the affected lid.
    Transactions of the Ophthalmological Societies of the United Kingdom, London, 1883, 3: 283-287.
  • W. W. Sinclair:
    Abnormal associated movements of the eyelids.
    Ophthalmic Review, 1895, 14: 307-311.

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