Color receptors that provide visual acuity; photosensitive cells receive the light waves that come in through the cornea and convert them into nerve impulses
What are cones?
100
Farsightedness caused by aging
What is PRESBYOPIA?
100
caused by infection of the glands near eyelid
What is a HORDEOLUM (sty)?
100
technician that fills prescriptions for eyeglasses
What is an OPTICIAN?
200
RETINA
What is the innermost layer of the eye?
200
produce and store tears to cleanse the eye
What is the function of the lacrimal glands?
200
images fall in front of the retina causing nearsightedness
What is MYOPIA?
200
Eversion:turning outward of the edge of the eyelid
What is the condition ECTROPION?
200
HCP examines and prescribes corrective lenses
hint:Opt/o (light, eye, vision)
What is an Optometrist?
300
SCLERA, RETINA, and the UVEAL TRACT ("uve/o -middle layer," containing the CHORIOID, IRIS, and CILIARY BODY located within the choriod).
What are the 3 layers of the eyeball?
300
White of the eye; helps maintain the shape of the eyeball and provides protection to it
What is the function of the sclera?
300
a refractory error; eyes unable to focus on a single point caused by irregularity of the curve of cornea that distorts light entering the eye
What is an ASTIGMATISM?
300
the opposite of ectropion that causes eyelid to turn inward
What is the condition ENTROPION?
300
inflammation of the cornea from a scratch or injury
What is KERATITIS (Kerat/o hard/cornea)?
400
together they protect the eyeball from light, dust, foreign particles and impact
What is the Upper & lower PALPEBRAE
400
An opaque layer of eyeball that contains vessels that provide the blood supply to the eye
What is the function of the choroid?
400
A refractory error that occurs when the eyeball loses its shape slightly for any reason causing images to fall behind the retina
What is HYPEROPIA?
400
disease characterized by increase intraocular pressure that causes damage to the optic nerve; left untreated may result in permanent blindness
What is Glaucoma?
400
inflamed tear sac
What is DACRYOCYSTITIS (dacryocyst/o refers to tears or lacrimal sac)?
500
AQUEOUS HUMOR
What is the watery fluid between the cornea and the lens?
500
group of muscles in the choroid that suspend the lens and adjust it to direct light entering the eye in choroid
What is the ciliary body?
500
a condition that interferes with reading for extended periods of time: features drooping of the upper eyelid
What is BLEPHAREOPTOSIS?
500
cloudiness or opacity of lens caused by chemical or other injury, disease, and exposure to various elements.
What is CATARACT?
500
provides eye care, eye exams, prescribes prescription lenses and performs surgery
What doe an Opthalmologist (opthalm/o meaning eye) do ?