Biology ยท Physics
Vision Defects and Eye Conditions
1,088 Questions
Vision defects and eye conditions questions focus on common visual impairments like myopia, cataracts, and glaucoma. These topics are regularly tested in the general science sections of competitive exams. Solve these questions to learn about optical defects and treatments.
Myopia and hypermetropiaCataracts and risk factorsGlaucoma treatmentsEye infection typesArtificial tears
Vision Defects and Eye Conditions Questions
What are the signs and symptoms of strabismus?
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The eyes are misaligned
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Blurred vision
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Double vision
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Pain
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Correct answer
Explanation
The signs and symptoms of strabismus include the eyes being misaligned, causing them to look in different directions.
What are the signs and symptoms of amblyopia?
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Blurred vision
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Double vision
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Squinting
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Head tilting
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Correct answer
Explanation
The signs and symptoms of amblyopia include blurred vision, double vision, squinting, and head tilting.
What are the signs and symptoms of cataracts?
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Blurred vision
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Glare
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Double vision
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Pain
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Correct answer
Explanation
The signs and symptoms of cataracts include blurred vision, glare, double vision, and pain.
How is conjunctivitis treated?
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Antibiotics
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Antiviral medication
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Steroid eye drops
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Warm compresses
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Correct answer
Explanation
Conjunctivitis is usually treated with antibiotics, which can be taken orally or applied directly to the eyes.
How is strabismus treated?
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Eyeglasses or contact lenses
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Surgery
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Vision therapy
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All of the above
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Correct answer
Explanation
Strabismus can be treated with eyeglasses or contact lenses, surgery, vision therapy, or a combination of these treatments.
How is amblyopia treated?
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Eyeglasses or contact lenses
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Patching
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Vision therapy
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All of the above
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Correct answer
Explanation
Amblyopia can be treated with eyeglasses or contact lenses, patching, vision therapy, or a combination of these treatments.
How are cataracts treated?
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Surgery
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Laser surgery
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Medication
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None of the above
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Correct answer
Explanation
Cataracts are usually treated with surgery, which involves removing the clouded lens and replacing it with an artificial lens.
What are some ways to prevent eye problems in infants?
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Regular eye exams
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Protecting the eyes from the sun
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Avoiding exposure to smoke and other irritants
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All of the above
D
Correct answer
Explanation
Some ways to prevent eye problems in infants include regular eye exams, protecting the eyes from the sun, avoiding exposure to smoke and other irritants, and keeping the eyes clean.
What should parents do if they think their infant has an eye problem?
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Take the infant to the doctor right away
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Wait and see if the problem goes away
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Try to treat the problem at home
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None of the above
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Correct answer
Explanation
If parents think their infant has an eye problem, they should take the infant to the doctor right away.
What is the primary cause of lens flare?
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Stray light entering the lens
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Internal reflections within the lens
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Dust and dirt on the lens surface
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Incorrect focus settings
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Correct answer
Explanation
Lens flare is primarily caused by stray light entering the lens and causing unwanted reflections and glare. This can occur when the sun or other bright light sources are directly in the frame or when light is reflected off surfaces such as water or metal.
What is the primary cause of vision impairment in the elderly population?
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Cataracts
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Glaucoma
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Age-related macular degeneration
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All of the above
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Correct answer
Explanation
Cataracts, glaucoma, and age-related macular degeneration are all common causes of vision impairment in the elderly population.
Which of the following is a common vision problem in children?
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Myopia (nearsightedness)
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Hyperopia (farsightedness)
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Astigmatism
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All of the above
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Correct answer
Explanation
Myopia, hyperopia, and astigmatism are all common vision problems that can affect children.
Which of the following is a symptom of strabismus (misalignment of the eyes)?
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Crossed eyes
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Double vision
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Head tilting
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All of the above
D
Correct answer
Explanation
Crossed eyes, double vision, and head tilting can all be symptoms of strabismus.
What is the most common type of childhood cataract?
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Congenital cataract
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Acquired cataract
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Traumatic cataract
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Secondary cataract
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Correct answer
Explanation
Congenital cataracts, which are present at birth, are the most common type of childhood cataract.
Which of the following is a risk factor for retinopathy of prematurity (ROP)?
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Premature birth
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Low birth weight
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Oxygen therapy
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All of the above
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Correct answer
Explanation
Premature birth, low birth weight, and oxygen therapy are all risk factors for retinopathy of prematurity.