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Week 2 Review for Quiz 2 - N190Physical AssessmentCornea= part of the eyes that is most sensitive to painSnellen Test= used for vision tests-Normal vison 20/20-Numerator = distance from the chart-Denominator = the reading/grading of the patient-If the patient was ableto read all the letters on the chart, that will be the grade or rating of the pt-If the patient is unableto read most or more than half of the letters, the grade will be the line above-Legally blind = 20/200(cannot drive without corrective lenses)Rosenbaum= used to test for close vision -Have the patient hold the chart at least 12-14 inches from her eyes -Normal finding = 14/14Myopia= pt is able to see nearbut has difficulty with far visionHyperopia= pt is able to see far but has difficulty with near visionEmmetropia= normal vision (20/20)Presbyopia= farsightedness for elderly (can see at a distance but needs reading glasses)Confrontation= testing for peripheral visionConsensual response= normal findings for the eyes-The illuminated eyes, the pupils will constrict faster than the non-illuminated eyeoHowever, the non-illuminated eye will constrict sluggishly due to the small light illuminated form the other eyePtosis= AKA eyelid drooping-Defect in cranial nerve III (oculomotor)Xanthelasma= can be normally associated with normal aging, soft yellow flops at the inner canthus of the eyes-Associated with high cholesterol, but it can also occur in elderly people with low cholesterolCataract= it is a yellow thickened dense lens causing blurred vision-usually caused by over exposure to the sun and dust-it can also occur in younger people, but this can be part of agingArcus senilis= is a light gray or whitening surrounding the irisdue to lipid deposits -does not affect vision-occurs in elderly people
Pterygium= the opacity of the vulvar conjunctiva that can grow over the cornea and block vision-occurs in elderly patients*An elderly patient complaining of grainy feeling in the eye, redness, and burning sensation. Patient also believes he/she is going blind. What is the response of the nurse?