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Visual and Auditory ProblemsMedical-Surgical Nursing

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Which refractive error requires a corrective minus (concave) lens?
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Myopia
Which refractive errors require a plus (convex) corrective lens?
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All of them except for myopia
You are seeing a client who wears bifocals. You know that the portion of the lens that allows them to see close up (presbyopic correction) is the _______.
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Bottom
Glasses to correct ________ errors are very thick, magnify images by 25%, and are heavy. Surgical procedures have reduced the need for these glasses to be worn.
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Aphakia
You have a client that wears contact lenses and is on birth control. What should you tell them?
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Use of birth control pills may decrease tear production and cause discomfort while wearing contacts.
What types of medications can cause discomfort for people wearing contacts, and why?
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Antihistamines, decongestants, diuretics, and birth control pills. They decrease tear production.
A client who is in her second trimester comes in complaining that her contacts have really started to hurt her eyes and she's wondering if she needs new ones. What do you tell her?
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The hormones from pregnancy can cause decreased tear production and make wearing contact lenses uncomfortable.
What does the mnemonic RSVP stand for with respect to visual health?
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Redness Sensitivity Vision Problems Pain (when to see a doctor for contact lens wearers)
What information should a nurse collect from patients that wear contact lenses?
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The pattern of wear (daily vs. extended) Care practices
Shining a light obliquely on the eyeball can help a nurse visualize a __________.
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Contact lens (important in an emergency assessment)
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A client who wears contacts comes in and visual inspection of the ocular area reveals redness. The client says their vision has been blurry and their eyes have been sensitive and really hurting. What is the first thing you should do?
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Have them remove the contact lens immediately
___________ is the use of specially designed, rigid, gas permeable contact lenses to alter the shape of the cornea. It requires progressively fitting flatter rigid contact lenses and regular wearing of retainer lenses to maintain corneal shape.
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Corneal molding/orthokeratology
What refractive errors does corneal molding/orthokeratology correct?
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Myopia/Astigmatism
What does LASIK stand for?
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Laser assisted in-situ keratomileusis
What is the major difference between LASIK and PRK surgeries?
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In PRK, the epithelium of the cornea is removed. In LASIK, it is replaced after the cornea is sculpted.
This procedure involves using a laser or surgical blade to create a thin flap in the cornea and a wave front map is used to sculpt the cornea and correct a refractive error. Once the error is corrected, the flap is repositioned and adheres to the eye without sutures in a few minutes...
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LASIK
This procedure involves using a laser or surgical blade to remove the epithelium over the cornea and then sculpting the cornea to correct a refractive error.
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PRK
A client comes in wanting laser corrective surgery. During the assessment, it is noted the client has a thin cornea. Which type of surgery, LASIX or PRK is best suited for this client?
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PRK (you need sufficient corneal thickness for LASIX)
What is ICR Irelated to the eyes) and who is a candidate for it?
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ICR=Intracorneal ring, people with mild myopia benefit from this procedure
This procedure involves the implantation of two semicircular pieces of plastic between the layers of the cornea.
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ICR/Intracorneal Ring Segments
This procedure involves removal of a client's natural lens and implantation of a small plastic lens.
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Refractive IOL (Intraocular lens)
  
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