click below
click below
Normal Size Small Size show me how
HaneyCPc5
HaneyGPc5
Question | Answer |
---|---|
Identify the concentric layers of the eyeball that are the primary structures | sclera, choroid, retina |
A cloudy or opaque area in the normally clear lens of the eye is called | cataract |
what is the shape of a normal eyeball | globular |
What are the sensory receptive cells in retina | rods and cones |
Jellylike fluid behind the lens of the eyes | aqueous humor |
Cause of astigmatism | cornea not being spherical |
Primary symptoms of refractive errors | blurred vision, eye fatigue |
Most common type of nystagmus | acquired |
Bacteria that is the most common cause of styes | staph |
________________an inflammation of the thin, transparent membrane covering the white of the visable portion of the sclera adn lining of the inside of the eyelids | conjunctivitis |
Most common cause of cataracts | getting older and drugs or alcohol |
Disorder of retinal blood vessels that may develop in a person with diabetes | diabetic retinopathy |
Iris helps regulate the amount of what that enters the eye? | light |
Four main refractive errors from when the eye is unable to focus light effectively | hyperopia, myopia, astigmatism, and presbyopia |
What is strabismus | failure of the eyes to look in the same direction at the same time from weakness in the nerves stimulating the muscles that control the position of the eye |
what kind of infection causes conjunctivitis | viral or bacterial |
What is the best way to detect glaucoma | periodic IOP measurement examinations |
Symptoms of conjunctivitis | redness, swelling, itching |
What kind of glaucoma is most likely diagnosed | Acute-angle glaucoma |
What is a stye | Inflammation of the sebeceous glands of the eyelid |
Caused by degenrative changes in the retina; usually related to aging | macular degeneration |
What happens to the optic nerve with glaucoma | enlarges and you lose peripheral vision |
What is bacterial conjunctivitis best treated with | topical antibiotics |
What are some symptoms from glaucoma | blurred vision, severe eye pain, headaches, redness, halos, nausea and vomiting |
What is photophobia | unusual sensitivity to light |