Strabismus terminology

Terms related to strabismus include:

  • Strabismus: Failure of eyes to focus on the same object simultaneously due to eye muscle imbalance
  • Esotropia: Inward turn of affected eye
  • Exotropia: Outward turn of affected eye
  • Hypertropia: Upward turn of affected eye
  • Hypotropia: Downward turn of affected eye
  • Phoria: A tendency to tropia (strabismus) in which the misalignment is kept under control so that it is usually not apparent
  • Diplopia: Double vision
  • Amblyopia: Decrease in vision of one eye with no apparent disease present
  • Cranial nerve palsy: See an excellent discussion of this subject as it relates to strabismus at EyeMDLink.

References:
Glossary of Ocular Terms Anatomy, Physiology and Pathology of the Human Eye, Ted M. Montgomery,Optometric Physician
Glossary of terms associated with Visual Iimpairment
Scottish Sensory Centre
Crossed eyes (Strabismus)
Taking care of your eyes, Triad Publishing Company

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