2020–2021 BCSC Basic and Clinical Science Course™
3 Clinical Optics
Chapter 9: Vision Rehabilitation
Chapter Exercises
Questions
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9.1. What level of visual function has been designated as “legal blindness”?
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best-corrected visual acuity 20/200
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best-corrected visual acuity 20/70
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visual field extending 30° around fixation
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hemianopic visual field
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9.2. What is the optimal prescription for a patient who requires +8.00 reading add?
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+8.00 OU with 10 prism diopters (∆) base-in OU
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OD +8.00 with 8∆ base in; OS +8.00 with 8∆ base in
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+8.00 OU with 8∆ OU
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+8.00 OU with 10∆ OD
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9.3. The American Academy of Ophthalmology’s Preferred Practice Pattern regarding vision rehabilitation recommends referral to low vision consultation at what level of visual function?
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only when patients become legally blind
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when a patient’s acuity is less than 20/40 or the patient has reduced contrast sensitivity, field loss, or a scotoma
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only if the patient asks for referral to vision rehabilitation
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when a patient cannot read fine print
Excerpted from BCSC 2020-2021 series : Section 3 - Clinical Optics. For more information and to purchase the entire series, please visit https://www.aao.org/bcsc.