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What is Concomitant and Incomitant deviations in squint ?

Concomitant Deviation

  1. The Angle of deviation are the same in all fields of gaze.
  2. Congenital or chronic.
  3. Congenital or early onset strabismus or Chronic.
  4. Suppression associated with amblyopia.
  5. Develop diplopia later is life.

Incomitant Deviation
  1. Angle of deviation is different fields of gaze.
  2. Incomitant deviation mainly seen in patients with acquired problems-looking to right no problem.
  3. Straight also less problematic but looking to right produce diplopia.indicating deviation vary with gaze.
  4. Acquired and causes diplopia.
  5. Long standing incomitant deviation become comitant.