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15 Cards in this Set
- Front
- Back
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what should be included in assessment of the visual system?
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past health history and family history including and nonocular problems.
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what are some illnesses important to know about?
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diabetes
hypertension rheumatoid arthritis hypo/hyperthryroidism ms, syphyllis, heart disease, Lung disease |
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what is the concern with heart disease and eye problems?
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beta blockers used in the treatment of glaucoma may lower BP or slow heart rate
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what is the concern with lung disease and eye problems?
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beta blockers used in the treatment of glaucoma may exacerbate asthma
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what meds should be included in the assessment?
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all currently taking including OTC and herbal remedies.
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what affect will cold meds with ephedrine have on the eye?
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dilate the pupil which is an adverse effect for someone with glaucoma.
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what affect will antihistamines have on the eye?
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will dry the eye
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Longterm cortisone treatment leads to what?
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glaucoma and cataracts.
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why should you assess the pt's perceived ability to perform activities of daily living and function.
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ADLs or recreation/work may affect eyes by exposing to injury or limitations may be a clue to visual or ocular problems.
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what does a physical exam for most pts include?
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external eye structures, look for symmetry, inflammation, lesions, deformities.
no excessive tearing/drainage; sclera white; lens clear; conjunctiva clear; PERRLA, EOMI(extraoccular motor intact); visual acuity; no diplopia. |
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What is a way to inspect internal areas of pts eyes:
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ophthalmoscope ("better or worse")
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how is visual acuity tested?
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Snellan chart- smallest line read with no more than 2 errors.
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what does the visual acuity of 20/30 mean?
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pt. reads at 20 feet (where he is standing) what a normal person reads at 30 ft.
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what is the definition of legal blindness?
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a central visual acuity of 20/200 or less with best correction or a visual field of 20 degrees or less at its widest diameter (tunnel vision)
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what are other tests for visual acuity if snellan chart not available?
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finger counting
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