Visual disorder part 1

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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?

Faulty drainage system of the eye Signup and view all the answers

What is a symptom of glaucoma in adults?

Poor night vision and halos around lights Signup and view all the answers

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

Every 7 minutes Signup and view all the answers

What percentage of persons with AIDS develop visual problems?

35-75% Signup and view all the answers

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

Central visual acuity of 20/200 or < in better eye with best correction Signup and view all the answers

What can exacerbate glaucoma?

Fatigue and stress Signup and view all the answers

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

1 in every 1,000 children Signup and view all the answers

What is the consequence of untreated glaucoma?

Total blindness Signup and view all the answers

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

AIDS retinitis Signup and view all the answers

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

Through enlarged print or with use of optical aids Signup and view all the answers

What is the result of damage to the visual cortex?

Cortical visual impairment Signup and view all the answers

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

Anopsia Signup and view all the answers

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

Due to brain plasticity and vision stimulation Signup and view all the answers

What is a characteristic of cortical visual impairment?

Eye usually shows no pathology Signup and view all the answers

What is the primary characteristic of hemianopia?

Loss of vision in one half of the visual field in both eyes Signup and view all the answers

What is the most common type of hemianopia?

Right homonymous hemianopia Signup and view all the answers

What is the primary cause of hemianopia?

All of the above Signup and view all the answers

What is the purpose of prism glasses in hemianopia?

To improve visual field losses Signup and view all the answers

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

Orientation and mobility instruction Signup and view all the answers

What is often associated with hemianopia?

Brain stem strokes Signup and view all the answers