Term
| the bony socket of the skull that surrounds the eyeball |
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Definition
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Term
| opaque white tissue of the eye |
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Definition
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Definition
| choroid the ciliray body and the iris |
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Term
| innermost layer of the eye |
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Definition
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Term
| what area contains the rods and cones |
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Definition
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Definition
| area of the middle of the inside of the eye that is seen with scope |
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Term
| what does the optic fundus contain |
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Definition
| optic disc also known as the blind spot |
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Term
| clear layer that forms the external bump of hte front of the eye |
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Definition
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Definition
| clear watery fluid that fills the anterior and posterior chmabers of the eye |
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Term
| what has a catarat lens lost |
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Definition
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Term
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Definition
| clear thick gel that lies between the lens and the retina |
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Term
| what does ht eviterous gel do |
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Definition
| transmits light and maintains eye shape |
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Term
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Definition
| the amount of pressure in the eye to keep itinflated |
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Term
| what happens if the pressure is too low/ too high |
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Definition
| too low and the eyeball can collaps/ too low and the eye can compress the nerves and arteries in the eye |
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Definition
| where the two eyelids meetat the corner of the eye |
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Definition
| mucous memebranes of the eye |
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Definition
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Definition
| place where the tear drain thru |
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Definition
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Definition
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Definition
| perfect refraction of the eye with the lens at rest from light at a distant source |
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Term
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Definition
| move the eye diaganolly upward and toward middle of the head |
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Term
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Definition
| holds eye straight and turns eyes to the side of the head |
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Term
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Definition
| turns eyes inward toward nose |
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Term
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Definition
| works with the supirior muslce |
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Term
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Definition
| nearsighted when the light converges in front of the retina- distant vision is poor |
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Term
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Definition
| when the eye does not refract enough ight |
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Term
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Definition
| refractive error caused by uneven surfaces in the eye- disotrs vision |
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Definition
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Definition
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Definition
| the process of the clear visual field when the gaze is shifted from a distant to a near object |
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Term
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Definition
| when both eyes can turn inward |
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Term
| avcus senilis what is it and how is it caused |
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Definition
| opaque bluish white ring in the outer edge of the cornea is caused by fat deposits |
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Term
| what happens to the cornea after 65 |
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Definition
| it flattens and the curve is irregular |
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Term
| what happens to the aging lens |
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Definition
| it shrinks and loses elacticity |
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Term
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Definition
| closest distance at which a perosn can see an object clearly |
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Term
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Definition
| farthest point ofwhich an object can be seen |
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Term
| who are retinal detachmjents moe common in dry eyes |
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Definition
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Term
| what are some occupations that can lead to eyestraun |
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Definition
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Term
| what can chronic uv exposure do to the eye |
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Definition
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Term
| what drugs can lead to dry eyes |
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Definition
| antihistamines and decongestants |
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Term
| vitamin a deficiency and the eys |
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Definition
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Term
| what diet is important to the eye |
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Definition
| rich in fruit and red orange and dk greens |
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Term
| exophthamlmos/ enopathalmos |
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Definition
| protrusion of the eye/ sunken in of the eye |
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Term
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Definition
| difference in the size of each pupil |
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Term
| pupil size and myopia/ hyperopia |
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Definition
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Term
| what is the normal pupil size |
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Definition
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Term
| consentual response of the eyes |
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Definition
| wehen a light is shined into one eye and the other eye constricts |
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Term
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Definition
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Term
| how to test for near vision |
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Definition
| rosenbaum test. ask the pt to hold the card was 14 inches away and read the charcters |
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Term
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Definition
| used to determine preipheral vision. cover your right eye and have the pt cover their left eye. then move an bejct into the visual field the normal is that the pt wil see the object around the same time you do |
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Term
| extrocular muscle funciton what nerves are these testing |
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Definition
| assessed using the corneal light reflex and the six cardinal positions- cranial nerves III, IV, and VI |
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Term
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Definition
| involuntary twitching of the eye |
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Term
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Definition
| used to test for color vision |
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Term
| metal in the eye is an absolute contradiciton for an |
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Definition
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Term
| radioisotope scanning and the eye |
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Definition
| used to locate tumors and lesions |
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Term
| slit lamp exam and the eye |
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Definition
| slit of light is aimed to briten the eye to see if there is any abnormal position |
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Term
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Definition
| placing stain in the conjunctival sac to see if there is forigne bodies in the eye or ulcer or abrasions |
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Term
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Definition
| measure introcular pressures- normal readings are 10-21 |
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Term
| how much pressure is determined to be applied with a tonometry |
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Definition
| the thickness of the cornea affects how much is placed for indentation to occu- a thicker conrea will have a higher tonometer reading |
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Term
| when does introcular pressure vary |
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Definition
| thru the day higher in the am and can peak at any time |
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Term
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Definition
| red glare seen in the pupil as a reflection on the retina |
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Term
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Definition
| detailed image of eye circulaiton |
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Term
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Definition
tilt head backwards
pull lower lid down and squeeze in drops
have pt close eyes
hold punctum so drug can be absorped |
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Term
| what should you encorage the pt to do after fluoresciene angiography 3 |
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Definition
drink fluids to eliminate dye
urine may be brigh green
wear dk sunglasses and avoid sun |
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Term
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Definition
| detects and evaluates blood vessle changes from disease or drugs |
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Term
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Definition
| performed when there is a high IOP determines if glaucoma is present |
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Term
| what creates a 3 d image of the veiw of the back of the eye |
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Definition
| laser imaging of the retina and optic nerve |
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