special senses Flashcards
OS
Left eye
OU
Both eyes
OD
Right eye
VA
Visual acuity
VF
Visual field
3 layers of the eye
Fibrous-outermost
Vascular-middle
Nervous-innermost
What structures is the fibrous layer made of
Cornea and sclera
What is the vascular composed of
Choroid
Iris
Ciliary body
What is the nervous layer composed of
Retina
Ocul
Eye
Opthalm
Eye
Phak
Lens of the eye
Retin
Retina
Opt
Vision/sight
Structure of the cornea
Outermost transparent Layer
Convex shape
Function of the cornea
Refract light onto the retina
Structure of the sclera
White outer layer of the eye
Function of the sclera
Fibrous layer-maintains the shape of the eye
Describe the choroid
Lines posterior portion of inner sclera
Rich in blood vessels
Choroid function
Supplies nutrients to the retina
Light stimulates sensory receptors in the retina and is then absorbed by the choroid