In this issue
- Anatomy chart of the eye
- Strabismus
Learning on the go!
The goal of this newsletter is to provide you with enough information to be useful, but not more than can be learned within the busy schedule of a health care worker. You’ll find anatomy charts, additional vocabulary, occasional feedback from subscribers, and more! Feel free to read them now and save them for later use such as with a patient or as a study guide for coursework.
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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Written by
Evelin Maza
on November 20, 2015
The eye and strabismus | Healthcare Spanish