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Visual and Auditory ProblemsMedical-Surgical Nursing

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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)
Refractive intraocular lenses are an option for clients with what type of refractive errors?
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A high degree of myopia or hyperopia. New ones can correct both myopia and presbyopia.
Of all the surgical therapies available for correcting refractive errors, which one has the most risks, and why?
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The refractive intraocular lenses because they actually enter the eye
This procedure involves implanting a lens in front of the eye's natural lens.
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Phakic IOLs (intraocular lens). Also referred to as implantable contacts
Phakic intraocular lenses are a procedure for people with what type of refractive errors?
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High degrees of myopia and hyperopia. It allows for the natural lens to adjust for reading vision.
These procedures involve using a laser or high radio frequency to apply heat to the peripheral area of the cornea to tighten it and make the central cornea steeper. It is performed on one eye only to achieve monovision which allows one eye to see far, and one eye to see close up.
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Laser thermal keratoplasty (LTK) and Conductive keratoplasty (CK)
Which eye is Laser thermal keratoplasty (LTK) and Conductive keratoplasty (CK) typically performed on?
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The less dominant eye
What is used to ensure that a client will adapt well to a Laser thermal keratoplasty (LTK) or a Conductive keratoplasty (CK) procedure?
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A preoperative trial with contact lenses that simulate the changes
Laser thermal keratoplasty (LTK) and Conductive keratoplasty (CK) are procedures for people who have _______ or _________ refractive errors.
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Hyperopia or Presbyopia
What is the definition of a severe visual impairment?
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An inability to read the newspaper even with corrective lenses.
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T/F A person classified as having a severe visual impairment (legally blind) has no useful vision.
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False. 91% of them have some useful vision
_______ blindness is defined as no light perception and no usable vision.
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Total
________ blindness is present when a patient has some light perception but no usable vision.
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Functional
What compensations can a person with total or functional blindness use for ambulation?
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Guide dogs and/or canes
What are the 5 most common causes of blindness?
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Cataracts, glaucoma, age-related macular degeneration, diabetic neuropathy, and corneal disease (like a herpes infection). Note: Disease causes the majority of blindness, trauma accounts for 4%.
Who sets the criteria for the designation of legally blind? What does it mean for the individual?
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The federal government. It determines the level of federal and state aid as well as income tax benefits
What is the criteria to be considered partially sighted?
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Visual acuity of 20/50 or worse in the better eye
What are some nursing diagnoses that may be used for people with visual impairments?
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Disturbed sensory perception r/t visual deficit Risk for injury r/t visual impairment and inability to see potential dangers Self care deficits r/t visual deficit Fear r/t inability to see potential danger or accurately interpret environment Grieving r/t loss of functional vision
What are the 4 overall goals to keep in mind when planning interventions for clients with recently impaired vision or maladjustment to a long-standing loss of vision?
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1-make a successful adjustment to the impairment 2-verbalize feelings r/t the loss 3-identify personal strengths and external support systems 4-use appropriate coping strategies
What is the goal for a client that has been functioning well with a visual impairment?
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To maintain current level of function
What are the benefits of standard and gas permeable rigid lenses?
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They last longer, corrects all types of refractive errors,
  
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