Middle Layer Ocular Anatomy | The University Of Western Ontario - Edubirdie

University:
The University Of Western Ontario
Course:
ANATCELL 3309 | Mammalian Histology
Academic year:

2022
Views:

457

Pages:

3
Author:

Kyuwon J.

Choroid ● Iris ○ Controls light income to eye ○ Variety of color ● Ciliary body ○ Focus ○ Aqueous fluid ■ Control on front chamber of the eye ● Choroid ○ Vessels ○ Nourishment for structures ○ Extends into uveal tract ○ Extension of Choroidal tissue ● Pupil ○ Opening for light ○ Size of pupil is controlled through Iris ■ Controls amount of light influx ■ Muscles ● Sphincter Pupillae ○ Constriction of pupil ● Dilator Pupillae ○ Dilation of pupil ○ Larger pupil Muscle Action Innervation Nervous System Sphincter pupillae Constricts CN III (parasympathetic) Parasympathetic Dilator pupillae Dilates Sympathetic chain via SCG Sympathetic

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