Anatomy of the Eye
The protective, thin mucous membrane that spreads to coat the anterior surface of the eyeball?
What is conjunctiva?
______ are responsible for vision in dim light and _____ are responsible for color vision.
Rods, Cones
________ is turning out (eversion of the eyelid) while ______ is turning inward of the eyelid towards the eye.
Ectropion, entropion
General term for lack of coordination of the eyes usually due to a muscle weakness or paralysis
What is strabismus?
Removal of the eyeball
What is enucleation of the eye?
These glands secrete oil to lubricate the eyelashes.
What is the sebaceous gland?
This is where the optic nerve leaves the retina to travel to the brain.
What is the optic disk?
Another word for stye, which is an infection of one of the sebaceous glands of an eyelash
What is a hordeolum?
Malcurvature of the cornea leading to blurry vision
What is astigmatism?
A Flap procedure in which a laser is used to remove material under the corneal flap of the eye. This procedure corrects asigmatism, myopia, and hyperopia.
What is LASIK?
These glands of the eyes produce tears.
What are lacrimal glands?
This part is the whites of the eyes.
What is the sclera?
This is severe purulent conjunctivitis in the newborn usually due to mom having an STD.
What is ophthalmia neonatorum?
Involuntary back and forth rhythmic movements of the eye, Can be vertical or horizontal.
What is nystagmus?
This procedure treats astigmatism, hyperopea, and myopia by using a laser to reshape the cornea.
What is PRK?
These 3 layers make up the eyeball.
What are the:
1. fibrous tunic (sclera and cornea)
2. vascular tunic (uvea and iris)
3. nervous tunic (retina)
This is the portion of the sclera that covers that covers the anterior section of the eye that is transparent
What is the cornea?
Another word for double vision
What is diplopia?
Otherwise known as farsightedness. where you are unable to focus on nearby objects
What is hyperopia?
This is a visual acuity assessment.
What is the Snellen chart?
This layer of the eye contains the sensory receptors for the images carried by light rays.
What is the retina?
These attach to the eyeball to the orbit and move the eyes
What are the extraocular muscles?
Extreme sensitivity to light
What is photophobia?
Otherwise known as nearsightedness where you cannot see objects further away
What is myopia?
These drugs decrease the intraocular pressure by decreasing the amount of fluid in the eye or increasing the drainage.
What are antiglaucoma drugs?