Q 2 N190 Focus Review.docx - Week 2 Review for Quiz 2 N190 Physical Assessment Cornea = part of the eyes that is most sensitive to pain Snellen Test =

Q 2 N190 Focus Review.docx - Week 2 Review for Quiz 2 N190...

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Week 2 Review for Quiz 2 - N190 Physical Assessment Cornea = part of the eyes that is most sensitive to pain Snellen 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 able to read all the letters on the chart, that will be the grade or rating of the pt - If the patient is unable to 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 = 14/14 Myopia = pt is able to see near but has difficulty with far vision Hyperopia = pt is able to see far but has difficulty with near vision Emmetropia = normal vision (20/20) Presbyopia = farsightedness for elderly (can see at a distance but needs reading glasses) Confrontation = testing for peripheral vision Consensual response = normal findings for the eyes - The illuminated eyes, the pupils will constrict faster than the non-illuminated eye o However, the non-illuminated eye will constrict sluggishly due to the small light illuminated form the other eye Ptosis = 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 cholesterol Cataract = 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 aging Arcus senilis = is a light gray or whitening surrounding the iris due 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?

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