Visual disorder part 1
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Questions and Answers

What is a common complication of diabetic retinopathy?

  • Increased pressure in the eye
  • Cataract formation
  • Macular degeneration
  • Hemorrhaging into the vitreous or scar formation of the retina (correct)

Who can develop diabetic retinopathy?

  • Only juvenile diabetics
  • People with a family history of diabetes
  • Only adult onset diabetics
  • Both juvenile and adult onset diabetics (correct)

What is the average age of the blind population in the US?

  • 30 years and above
  • 50 years and above
  • 40 years and above
  • 65 years and above (correct)

What is the main cause of glaucoma?

<p>Faulty drainage system of the eye (C)</p> Signup and view all the answers

What is a symptom of glaucoma in adults?

<p>Poor night vision and halos around lights (A)</p> Signup and view all the answers

How often does someone in the US become permanently blind or partially sighted/low vision?

<p>Every 7 minutes (D)</p> Signup and view all the answers

What percentage of persons with AIDS develop visual problems?

<p>35-75% (A)</p> Signup and view all the answers

What is the definition of legally blind based on medical/legal terms?

<p>Central visual acuity of 20/200 or &lt; in better eye with best correction (D)</p> Signup and view all the answers

What can exacerbate glaucoma?

<p>Fatigue and stress (C)</p> Signup and view all the answers

What is the estimated number of children in the US who have low vision or are legally blind?

<p>1 in every 1,000 children (D)</p> Signup and view all the answers

What is the consequence of untreated glaucoma?

<p>Total blindness (D)</p> Signup and view all the answers

What is a common cause of vision loss in people with AIDS?

<p>AIDS retinitis (D)</p> Signup and view all the answers

How do partially sighted/low vision students typically learn new information?

<p>Through enlarged print or with use of optical aids (B)</p> Signup and view all the answers

What is the result of damage to the visual cortex?

<p>Cortical visual impairment (A)</p> Signup and view all the answers

What is the lack of vision in an eye due to interruption of an optic nerve known as?

<p>Anopsia (D)</p> Signup and view all the answers

Why may someone with cortical visual impairment be able to gain some degree of functional vision?

<p>Due to brain plasticity and vision stimulation (D)</p> Signup and view all the answers

What is a characteristic of cortical visual impairment?

<p>Eye usually shows no pathology (A)</p> Signup and view all the answers

What is the primary characteristic of hemianopia?

<p>Loss of vision in one half of the visual field in both eyes (A)</p> Signup and view all the answers

What is the most common type of hemianopia?

<p>Right homonymous hemianopia (D)</p> Signup and view all the answers

What is the primary cause of hemianopia?

<p>All of the above (D)</p> Signup and view all the answers

What is the purpose of prism glasses in hemianopia?

<p>To improve visual field losses (D)</p> Signup and view all the answers

What type of instruction may be necessary for people with hemianopia?

<p>Orientation and mobility instruction (C)</p> Signup and view all the answers

What is often associated with hemianopia?

<p>Brain stem strokes (C)</p> Signup and view all the answers

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