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allied chapter 17
eye and ear
| Question | Answer |
|---|---|
| the region at the back of the eye where the optic nerve meets the retina is | optic disc |
| the normal adjustment of the lens to bring an object into focus on the retina is | accomodation |
| yellowish region on the retina lateral to the optic disc is the | macula |
| tiny pit or depression in the retina that is the region of clearest vision is the | fovea centralis |
| the bending of light rays by the cornea,lensand fluids of the eye is | refraction |
| point at which the fibers of the optic nerve cross in the brain is the | optic chiasm |
| photoreceptor cells in the retina that make the perception of color possible are the | cones |
| photoreceptor cells in the retina that make vision in dim light possible are the | rods |
| the (blank) is the area behind the cornea and in front of the lens and iris. It contains aqueous humor | anterior chamber |
| the posterior inner part of the eye is the | fundus |
| cranial nerve that carries impulses from the retina to the brain | optic nerve |
| having 2 sides that are rounded,elevated and curved evenly | biconvex |
| condition of pupils of unequal size is | anisocoria |
| pertaining to paralysis of the ciliary muscles is | cycloplegic |
| pertaining to the eyelid | palpebral |
| condition of enlargment of the pupil is | mydriasis |
| condition of narrowing of the pupil is | miosis |
| swelling in the region of the optic disc is | papilledema |
| condition of sensitivity of light | photophobia |
| blind spot, area of darkened vision surrounded by clear vision is | scotoma |
| inflammation of the eyelid is called | blepharitis |
| inflammation of the conjunctiva is called | conjunctivitis |
| inflammation of the tear gland is called | dacryoadenitis |
| inflammation of the iris is called | iritis |
| inflammation of the cornea is called | keratitis |
| inflammation of the white of the eye is called | scleritis |
| inflammation of the retina is called | retinitis |
| prolapse of the eyelid is called | blepharoptosis |
| pertaining to tears | lacrimal |
| pertaining to within the eye is called | intraocular |
| fibrous layer of clear tissue over the front of the eyeball has a defect resulting from trauma or infection is called | corneal ulcer |
| inflammation of the vascular layer of the eye | uveitis |
| condition of dry eyes | xerophthalmia |
| absence of vision in half of the visual field | hemianopsia |
| eye abnormally turns outward is called | exotropia |
| medical doctor who treats diseases of the eye is called | ophthalmologist |
| nonmedical person who can examine eyes and prescribe glasses | optometrist |
| nonmedical person who grinds lenses and fits glasses is called | optician |
| absence of the lens of the eye is called | aphakia |
| eye abnormally turns inward is called | esotropia |
| lazy eye also called | amblyopia |
| farsightedness also called | hyperopia |
| decreased vision at near resulting from old age also called | presbyopia |
| nearsightedness also called | myopia |
| night blindness also called | nyctalopia |
| double vision also called | diplopia |
| defective curvature of the lens and cornea leading to blurred vision | astgmatism |
| in the myopic eye light rays do not focus properly on the.... | retina |
| lacrim/o means | tears |
| dacry/o means | tears |
| kerat/o means | cornea |
| corne/o means | cornea |
| blephar/o means | eyelid |
| palpebr/o means | eyelid |
| cor/o means | pupil |
| pupill/o means | pupil |
| phac/o means | lens |
| phak/o | lens |
| ocul/o means | eye |
| ophthalm/o means | eye |
| scot/o means | darkness |
| ultrasonic vibrations break up the lens and it is aspirated from the eye is called | phacoemulsification |
| test of clearness of vision is | visual acuity test |
| measurement oftension or pressure within the eye | tonometry |
| high energy light radiation beams are used to stop retinal hemorrhaging | lasar photocoagulation |
| a laser removes corneal tissue to correct myopia | lasik |
| intravenous injection of dye followed by photographs of the eye through dilated pupils | flourescein angiography |
| suture of silicone band to the sclera to correct retinal detachment | scleral buckle |
Created by:
chether
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