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Related Concept Videos

Accessory Structures of the Eye01:17

Accessory Structures of the Eye

Optical perception, or vision, is an extraordinary sense dependent on converting light signals received via the ocular organs. These organs, known as eyes, are securely positioned within the bony cavities of the skull, called orbits. The orbits serve a dual purpose: a protective shield for the ocular globes and a stable attachment point for the soft ocular tissues. The eye's external protective mechanisms include the eyelids, which are edged with lashes that act as a barrier against foreign...
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The muscles of the eye are sophisticated structures that control eye movement and focus, allowing for the precise and rapid adjustments necessary for vision. The human eye is controlled by ten muscles — six extraocular muscles, three intraocular muscles, and one primary eyelid retractor muscle.
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Related Experiment Video

Updated: May 30, 2026

Using Eye-tracking to Assess the Relative Importance of Visual and Vestibular Input to Subcortical Motion Processing in the Roll Plane
07:24

Using Eye-tracking to Assess the Relative Importance of Visual and Vestibular Input to Subcortical Motion Processing in the Roll Plane

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Understanding ocular torticollis in children.

Ioana-Daniela Boricean1, A Bărar

  • 1Hospital Childrens, Braşov. DANA_APA_2010@YAHOO.COM

Oftalmologia (Bucharest, Romania : 1990)
|July 22, 2011
PubMed
Summary

Abnormal head posture (AHP) in children often indicates underlying ocular conditions. Early ophthalmological examination is crucial for diagnosing conditions like nystagmus or strabismus causing AHP.

Area of Science:

  • Ophthalmology
  • Pediatric Pathology
  • Neurology

Background:

  • Abnormal head posture (AHP), or torticollis, is a common sign in pediatric patients, with an incidence of 5.6% in ophthalmology and 3.19% in pediatric ophthalmology.
  • AHP is adopted to enhance vision, maintain binocular single vision, center visual fields, or for cosmetic reasons.
  • Face turn is the most frequent AHP in pediatric ophthalmology, often associated with Duane syndrome, congenital fibrosis, nystagmus, refractive errors, or visual field defects.

Purpose of the Study:

  • To highlight the significance of ocular causes of abnormal head posture in children.
  • To emphasize the need for ophthalmological evaluation in all children presenting with AHP.
  • To underscore the importance of interdisciplinary collaboration in diagnosing the etiology of AHP.

Main Methods:

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  • Review of common ocular diseases causing various types of abnormal head posture (face turn, head tilt, chin-up/down).
  • Discussion of diagnostic challenges posed by compensatory head postures.
  • Emphasis on the role of ophthalmologists in identifying primary ocular etiologies.

Main Results:

  • Common causes of face turn include Duane syndrome, congenital fibrosis, nystagmus, refractive errors, and visual field defects.
  • Frequent causes of head tilt in children are congenital nystagmus, superior oblique paresis, dissociated vertical deviation, Brown syndrome, and refractive errors.
  • Chin-up/down postures are often linked to "A" and "V"-pattern strabismus, ptosis, nystagmus, and refractive errors.

Conclusions:

  • Torticollis is a sign, not a diagnosis, indicating an underlying condition, frequently ocular.
  • While some ocular causes of AHP are easily diagnosed, others like superior oblique paralysis or Duane syndrome can be confused with congenital AHP.
  • Mandatory interdisciplinary collaboration among ophthalmologists, pediatricians, surgeons, ENTs, and neurologists is essential for accurate AHP etiology determination.