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Squint (paralytic)

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

Authoring team

The features of a paralytic squint include:

  • usually acquired
  • diplopia is present
  • diplopia is maximal when attempting to look in the direction requiring the action of the weak muscle
  • the image from the paralysed eye is always peripheral to the image from the normal eye
  • the angle between the longitudinal axies of the eyes varies during testing of eye movements

A paralytic squint is caused by damage to extraocular muscles or their innervation.

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