The eye and vision: an overview

Richard Armstrong, Robert Cubbidge

Research output: Chapter in Book/Report/Conference proceedingChapter (peer-reviewed)

Abstract

The eye is the major organ of vision and highly specialized for photoreception. It focusses light from an object onto the light-sensitive retina. Changes in specialized neurons in the retina result in nerve action potentials which are relayed to the brain via the optic nerve. Visual processing by the brain results in ‘visual perception’, the construction of a sensory image which is consciously appreciated as vision. All other structures of the eye are subsidiary to this function, either by facilitating focusing of light rays or by supporting the tissues of the eye. This chapter is an introduction to the various parts of the eye including the eyelids and associated structures, conjunctiva, cornea, sclera, iris, lens, vitreous body, retina, optic disc and nerve, and orbit. This chapter describes the functions of these various structures and their importance in achieving a visual image.
LanguageEnglish
Title of host publicationHandbook of nutrition, diet, and the eye
EditorsVictor Preedy
PublisherAcademic Press
Pages3-10
Number of pages8
ISBN (Electronic)978-0-12-404606-1
ISBN (Print)978-0-12-401717-7
DOIs
Publication statusPublished - 31 Dec 2014

Fingerprint

Retina
Optic Nerve
Light
Vitreous Body
Sclera
Visual Perception
Conjunctiva
Optic Disk
Brain
Orbit
Iris
Eyelids
Cornea
Lenses
Action Potentials
Neurons

Keywords

  • Eye development
  • Ocular adnexia
  • Extraocular muscles
  • Anterior eye
  • Posterior eye
  • Visual pathway
  • Retina

Cite this

Armstrong, R., & Cubbidge, R. (2014). The eye and vision: an overview. In V. Preedy (Ed.), Handbook of nutrition, diet, and the eye (pp. 3-10). Academic Press. https://doi.org/10.1016/B978-0-12-401717-7.00001-0
Armstrong, Richard ; Cubbidge, Robert. / The eye and vision : an overview. Handbook of nutrition, diet, and the eye. editor / Victor Preedy. Academic Press, 2014. pp. 3-10
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Armstrong, R & Cubbidge, R 2014, The eye and vision: an overview. in V Preedy (ed.), Handbook of nutrition, diet, and the eye. Academic Press, pp. 3-10. https://doi.org/10.1016/B978-0-12-401717-7.00001-0

The eye and vision : an overview. / Armstrong, Richard; Cubbidge, Robert.

Handbook of nutrition, diet, and the eye. ed. / Victor Preedy. Academic Press, 2014. p. 3-10.

Research output: Chapter in Book/Report/Conference proceedingChapter (peer-reviewed)

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Armstrong R, Cubbidge R. The eye and vision: an overview. In Preedy V, editor, Handbook of nutrition, diet, and the eye. Academic Press. 2014. p. 3-10 https://doi.org/10.1016/B978-0-12-401717-7.00001-0