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Visual and Auditory ProblemsMedical-Surgical Nursing

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Exotropia is when one eye deviates ______.
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Out
Hypertropia is when one eye deviates ______.
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Up
Hypotropia is when one eye deviates _______.
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Down
Esotropia, Exotropia, Hypertropia and Hypotropia are all terms used to describe deviation directions of _____________.
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Strabismus
What conditions can cause strabismus in an adult?
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Thyroid disease, neuromuscular problems of the eye muscles, entrapment of the extraocular muscles in orbital floor fractures (one of the bones in the bottom of the eye socket is broken and trapping a muscle), retinal detachment repair or cerebral lesions.
What is the most common symptom reported by adults with strabismus?
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Double vision (diplopia)
Penetrating keratoplasty is the scientific name for a ____________.
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Corneal transplant
How are corneal scars treated?
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A rigid contact lens can correct irregular astigmatisms from corneal scars, penetrating keratoplasty is used to treat corneal scars and opacities.
When harvesting a cornea from a donor, surgeons prefer that it be done in _______ or less.
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4 hours
What conditions do eye banks test donors for?
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HIV, hepatitis B and C.
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How many days after harvesting can a cornea be kept in a nutritive solution prior to implantation?
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5
_________ is a noninflammatory, usually bilateral disease characterized by a thinning of the anterior cornea causing it to protrude forward and take on a cone shape. It appears during adolescence and progresses slowly between the ages of 20-60. Blurred vision and astigmatism are the only symptoms.
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Keratoconus
What conditions have been associated with the development of Keratoconus?
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Downs Syndrome, Marfan's Syndrome, atopic dermatitis, aniridia, and retinitis pigmentosa.
________ is a hereditary disease characterized by bilateral primary degeneration of the retina beginning in childhood and progressing to blindness by middle age.
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Retinitis pigmentosa
How is keratoconus treated?
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INTACS; plastic lenses surgically inserted on the cornea perimeter to reduce astigmatism and myopia. As the corneal thinning progresses, penetrating keratoplasty (corneal transplant) is performed before the cornea perforates.
__________ is the most common surgical procedure for Americans older than 65.
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Cataract removal
People with _________ tend to form cataracts earlier than those who don't have it.
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Diabetes
What is the underlying cause of senile cataracts?
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Metabolic processes are altered and cause the lens to accumulate water and alters the lens fiber structure.
An elderly patient comes into the clinic and complains of decreased vision, colors looking funny and describes a glare everywhere she looks. You suspect she may have...
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A cataract (characterized by decreased vision, abnormal color perception and glare)
Secondary ________ can develop in a patient with cataracts if the enlarging lens causes increased intraocular pressure.
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Glaucoma
_________ is a complementary/alternative therapy used to treat cataracts, retinopathy, PVD, varicose veins and diabetes mellitus.
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Bilberry
  
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