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Questions and Answers
What is the most common cause of blindness globally?
What is the most common cause of blindness globally?
- Diabetic retinopathy
- Glaucoma
- Uncorrected refractive errors
- Cataracts (correct)
Which condition is not considered a refractive error?
Which condition is not considered a refractive error?
- Far-sightedness
- Astigmatism
- Cataracts (correct)
- Near-sightedness
What term is used for the partial inability of visual perception?
What term is used for the partial inability of visual perception?
- Amaurosis fugax
- Low vision (correct)
- Blindness
- Presbyopia
Which disorder may cause visual problems and is related to aging?
Which disorder may cause visual problems and is related to aging?
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What percentage of visual impairment is estimated to be preventable or curable with treatment by the World Health Organization?
What percentage of visual impairment is estimated to be preventable or curable with treatment by the World Health Organization?
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Study Notes
Causes of Blindness and Visual Impairment
- Cataracts are the most common cause of blindness globally.
Refractive Errors
- Presbyopia is not considered a refractive error.
Visual Perception
- Amblyopia is the term used to describe the partial inability of visual perception.
Age-Related Disorders
- Age-related macular degeneration (AMD) is a disorder that may cause visual problems and is related to aging.
Preventable and Curable Visual Impairment
- According to the World Health Organization, approximately 80% of visual impairment is estimated to be preventable or curable with treatment.
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