Test 9 Special Senses Test Review (The Eye) Flashcards
What is the outer most layer of the eye called
The sclera
What does the sclera look like/ what is a characteristic it has
It is white looking
What is the middle layer of the eye called
The choroid
What is a characteristic of the choroid/ what’s in it
It contains many blood vessels
What is the innermost layer of the eye
The Retina
What are the two specialized cells called inside the retina
Rods and Cones
What is a characteristic of the Retina/ what does it do
It contains the specialized cells
What do the rods and cones do?
Rods control darkness and dimness
Cones control color and brightness
What is the correct order of the pathway of light
- Cornea
- Aqueous Humor
- Pupil
- Lens
- Vitreous Humor
- Retina
- Optic nerve
What is Myopia
Near cited-ness
What (scientifically) is going on when an eye has myopia (near cited-ness)
- The eye is more wide
- Light focuses INFRONT of the eye/ Retina
What is Hyperopia
Far cited-ness
What (scientifically) is going on when an eye has Hyperopia (Far cited-ness)
- The eye is more thin
- Light focuses behind the retina
What is presbyopia
As people age, their eyes get to thin (Hyperopia kind of)
What is Strabismus
When the eyes move outline
What is cataracts and what is the cure
When the lens become cloudy and only surgery fixes it
What is Glaucoma
When the ocular pressure is increased
What are the two types of Strabismus
- Esrotropia: When the eye move inwards
- Exotropia: When the eye moves outwards
What is the clear protective layer of the eye that covers the iris and the pupil
The cornea
What is the chamber filled with fluid found just behind the cornea
Aqueous Humor
What is the opening of the interior of the eye that regulates the amount of light that enters the eye
The pupil
What is the colored part of the eye called
The Iris
What is the middle layer of the eye that is rich in blood cells
The Choroid
What is the convex, crystalline structure that focuses light on the retina
The lens
What is the light sensitive layer of the eye that contains photoreceptors that convert light energy into nerve impulses
The retina
What is the Outer layer of the eye that maintains its shape. It’s the point of attachment for muscles that move the eye
Sclera
What carries the visual info in the form of action potentials from the retina to the thalamus
The optic nerve
What is the large chamber behind the lens that’s filled with jelly like fluid
The Vitreous Humor
