The flashcards below were created by user
teemick
on FreezingBlue Flashcards.
-
-metrist
One who measures
-
-
-
-ptosis
Falling down drooping
-
-rrhagia
Bleeding, hemorrhage
-
-
-
conjuntiv/o
to bind together, conjuntiva
-
-
-
-
-
-
emmetr/o
according to measure
-
ir/o, irid/o
rainbow, iris
-
-
nyct/o, nyctal/o
night, nocturnal
-
-
-
-
-
-
-
-
-
ton/o
tone, tension, pressure
-
The____________ is a small depression near the center of the retina, and is the area of the highest visual acuity.
Macula
-
The term for the watery fluid in the anterior chamber of the eye is:_______________
aqueous humor
-
The term for the gelatinous mass in the postreior cavity of the eye is:___________
viteous homor
-
The term for the colored ring that includes smooth muscle that regulates the amount of light entering through the pupil is the:
iris
-
Emmetropia is known as:
Normal eye
-
Myopia is known as:
Nearsightedness, where the cornea curvature is too steep or axial length of eye is to long, light is focused short of the retina
-
Hyperopia is known as:
Farsightedness, if the corneal curvature is to flat or axial length of the eye too short, image is focused behind the retina.
-
Astigmatism, is know as:
Irregular corneal curvature results in light from differant axes being brought to focus at differant points.
-
The conjunctiva is?
The anterior surface of the eye, and the inner surface of the eyelid.
-
Lacrimal and meibomian glands do what?
Secrete tears, keep eyes moist.
-
Sclera is?
The white part of the eye.
-
What is the cornea?
The tranparent window of the eye.
-
What is the anterior chamber?
A small narrow chamber behind the cornea.
-
The anterior chamber is filled with what watery fluid?
Aqueous humor
-
What is the vascular layer?
The middle layer of the eye, which is abundant with blood vessels.
-
What is included in the vascular layer?
The Iris, Pupil, lens, and Chorid.
-
Behind the lens is a large cavity, whats it called?
Posterior cavity.
-
What is the name of the third innermost layer of the eye called?
Nervous layer
-
A thin film at the back of the eye in the nervous layer, is called what?
Retina
-
The retina is composed of what?
Neurons, and receptors
-
Photoreceptors are know for two cells descriptive of their shape, what are they?
Rods, and Cones.
-
Rods, being sensitive to very little light, enable you to see which shades?
Black and White.
-
Cones, which require more light as a stimulas, enable us to do what?
See colors.
-
fovea centralis, also known as central pit is what?
The area of the retina that is the site for your sharpest vision.
-
The neurons which form the retina, send information out of the eye by?
The Optic nerve.
-
What is the optic disk or blind spot?
The exit point of the optic nerve is an area of the retina, which lacks photoreceptors.
-
What is a conjuctiva?
A protective epithelial covering.
-
What is the iris?
The colored part of the vascular layer.
-
What is the cornea?
The tranparent part of the fiberous layer
-
What is the Sclera?
The white outter covering of the eye.
-
What is the Optic nerve?
It carries information to the brain
-
What is the orbit?
A boney depression that houses the eye.
-
What is the Lens?
A transparent disk that changes form.
-
What is Choroid?
Literally, resembling a membrane.
-
What is the aqueous humor?
A watery fluid
-
What is the retina?
A thin film that contains the photoreceptors.
-
What is the vitreous humor?
A gelatinous mass in the posterior cavity.
-
What is the fovea centralis?
The area where the vision is the best.
-
Optic disk is known as the?
Blind Spot.
-
Lacrimal gland does what?
Secretes tears
-
Where are the meibomian glands located?
Along the edge of the eyelids.
-
Ophthalmorrhagia is what?
Hemorrhage of the eye.
-
Pain associated with the eye is known as?
Ophthalmalgia.
-
Asthenopia is what?
Eyestrain.
-
Drooping of the eyelid is known as?
Blepharoptosis
-
Blepharitis is know as?
Inflammation of the eyelid.
-
Corneoiritis is know as?
Inflammation of the cornea and iris.
-
endophthalmitis is know as?
Inflammation of internal tissues if the eye.
-
Hordeolum is what?
An infection of the meibomian gland.
-
Iritis is what?
Inflammation of the Iris
-
Macular degeneration is what?
Deterioration of the macula tlutea; leads to a loss of central vision.
-
Nystagmus is?
Involuntary, rhythmic movements of the eye.
-
ophthalmopathy is?
A general term for disease of the eye.
-
Presbyopia is what?
Impaired vision due to aging.
-
scleromalacia, is know as?
Softening of the Sclera.
|
|