The Eye Introduction
Function
Interpretation of impulse Structure of Eye
Location:
Sockets or
Formation
Purpose Structure of Eye
Openings in sockets (2)
optic foramina - optic nerve, opthalmic artery
superior orbital fissure
Function
Sockets contain (6) Structure of Eye
Muscles
Kinds
Intrinsic
Location
Muscles of the Ciliary Body
Function
Muscles of the iris
Function Structure of Eye
Muscles
Extrinsic
Location
Description
Kinds
Rectus
Oblique
Function Structure of Eye
Muscles of the eye:
Cranial nerves involved in muscle movement
oculomotor, abducens, trochlear Accessory Organs of the Eye Function
Structures:
Eyebrows
Function
Eyelids or palpebrae
Function
Movement controlled by: orbicularis oculi & levator palpebralis Accessory Organs of the Eye
Eyelashes
Function
Lubrication
Sty Accessory Organs of the Eye
Lacrimal Apparatus and lacrimal glands
Location
Produces
Functions (2)
Lacrimal Ducts Accessory Organs of the Eye
conjunctiva Structures of the Eye Ball
Shape Structures of the Eye Ball Cornea
location
part of
description
function
Canal of Schlemm Structures of the Eye Ball Wall of the Eyeball:
SCLERA
composition
functions
nourishment
white of the eye Structures of the Eye Ball Wall of the Eyeball:
UVEA
location
consists of three parts
functions of choroid
pigment contained - color,function Structures of the Eye Ball
Wall of the Eyeball:
UVEA - what
modified into iris
contains
back layer
front layer
eye color and pigment
muscles of the iris Structures of the Eye Ball Wall of the Eyeball:
UVEA
description
size regulation
effect of light
nervous control Structures of the Eye Ball
Wall of the Eyeball:
RETINA
location
blood supply Structures of the Eye Ball
Wall of the Eyeball:
RETINA
Receptors Structures of the Eye Ball
Wall of the Eyeball:
RETINA
Rods
Shape
Chemicals - rhodopsin
Type of vision Structures of the Eye Ball
Wall of the Eyeball:
RETINA
Cones
Shape
Chemicals –chlorolabe,eythrolabe,cyanolabe
Type of vision Structures of the Eye Ball
Optic nerve - ganglia - bipolar nuclei - rods & cones and back Structures of the Eye Ball
Wall of the Eyeball:
RETINA - other structures
macula lutea
extrafoveal region (location, receptors, vision)
optic disk (location, vision) Structures of the Eye Ball
Associated Structures
Crystalline lens (surface, statement)
Anterior Chamber(location,composition) aqueous humor vitreous body Characteristics of Vision - accommodation, convergence
Field of Vision
Definition
Peripheral Vision
Definition
Chromatic? Characteristics of Vision
Retinal Image (position on retina and explanation for position) Characteristics of Vision
Binocular Vision
Definition
Explanation Characteristics of Vision
Stereoscopic Vision or (reason)
Judgment of Spatial Relationships
Factors that allow it and optical illusions
http://natgeotv.com.au/tv/test- your-brain/gallery/optical- illusions.aspx Characteristics of Vision
Night Vision
Achromatic
Receptors responsible for dim vision:
Contain Rhodopsin which is composed of (2 chemicals)
Rhodopsin allows dark adaptation
Definition
Can break into visual yellow - composed of 2 chemicals Characteristics of Vision
Night Vision
exposure to light
exposure to prolonged light Characteristics of Vision
Color Vision
Light Adaptation (definition)
Light
White light
Black Characteristics of Vision
Color
Definition
Wavelength - shorter than red; longer than violet
Primary Colors of Vision (what, why)
Compound Colors (what, why)
Difference between Primary Colors of Vision and Pigment Characteristics of Vision
Color Vision
Reflection and Color
The Theory of Color Vision
The Purkinje Shift Characteristics of Vision
Afterimages
Definition, Reason, Kinds (2)
http://www.bradenleigh.com/blog/ some-thoughts-on-after-images Characteristics of Vision Characteristics of Vision
Characteristics of Color Vision
Hue - response to various wavelengths
Saturation - hue & amount white light
Brilliance - amount of black added Characteristics of Vision
Visual Acuity
Definition
Receptors
Factors
Measurement Characteristics of Vision
Visual Defects
Two kinds
Characteristics of Convex lenses
Sperical Aberration
Definition, Correction Characteristics of Vision
Characteristics of Convex lenses
Chromatic Aberration
Definition, Correction Characteristics of Vision
Defects in Eye Structure
Astigmatism
Definition, Process Characteristics of Vision
Defects in Eye Structure
Myopia or
Definition, Correction
Hyperopia or
Definition, Correction Characteristics of Vision
Presbyopia
Definition, Correction Characteristics of Vision
Color Blindness
Definition
Kinds and Causes (2)
Trichomat Characteristics of Vision
Glaucoma
Description
Conjunctivitis
Definition,Cause
Cataract