Written by
Evelin Maza,
Evelin Mercedes Maza Guia is a physician from the University of Oriente in Anzoátegui, Venezuela.
In this issue
- Anatomy chart of the eye
- Strabismus
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Anatomy of the eye and extraocular muscles
- Iris
- Pupil
- Eyelid
- Sclera
- Optic nerve
- Lens
- Superior rectus muscle: it elevates the eye, and helps with intorsion and adduction.
- Inferior rectus muscle: it depresses, and helps extort (rotate laterally) and adduct the eye.
- Medial rectus muscle: in charge of adduction of the eye.
- Lateral rectus muscle: in charge of abduction of the eye.
- Superior oblique muscle: abducts, depresses and internally rotates the eye.
- Inferior oblique muscle: in charge of extorsion, elevation and abduction of the eye.
- Levator palpebrae superioris: elevates the superior (upper) eyelid.
- Iris
- Pupila
- Párpado
- Esclerótica
- Nervio óptico
- Cristalino
- Músculo recto superior: eleva y ayuda a aducir y rotar internamente el ojo.
- Músculo recto inferior: lo desciende, aduce y toma parte en la rotación externa del ojo.
- Músculo recto medial o Interno: se encarga de aducir el ojo.
- Músculo recto lateral o Externo: se encarga de abducir el ojo.
- Músculo oblicuo superior: abduce, desciende y rota medialmente el ojo.
- Músculo oblicuo inferior: se encarga de abducir, elevar y rotar externamente el ojo.
- Músculo elevador del párpado superior: eleva el párpado superior
Strabismus or heterotropia is a condition that prevents a person from directing both eyes simultaneously towards the same fixation point. The eyes do not properly align with each other. Strabismus typically involves a lack of coordination between the extraocular muscles.
- Hypotropia: one eye is turned down.
- Hypertropia: one eye is turned up.
- Exotropia or divergent strabismus: one eye is fixated laterally.
- Esotropia or convergent strabismus: one eye is fixated internally.
- Hipotropía o estrabismo vertical: un ojo esta desviado hacia abajo.
- Hipertropía o estrabismo vertical: un ojo esta desviado hacia arriba.
- Exotropía, exoforia o estrabismo divergente: un ojo esta desviado lateralmente.
- Esotropía, endotropia o estrabismo convergente: un ojo esta desviado medialmente.
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How we reviewed this article
Our experts continually monitor the medical science space, and we update our articles when new information becomes available.
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Current versionMail the author of this page
- Jun 07, 2023
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Copy edited by:
Copy editors - Nov 20, 2015
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Written by:
Evelin Maza Evelin Mercedes Maza Guia is a physician from the University of Oriente in Anzoátegui, Venezuela.
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