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
Which herb is commonly used in Indian traditional medicine to support eye health and improve vision?
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Triphala
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Amla (Indian Gooseberry)
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Brahmi
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Shatavari
A
Correct answer
Explanation
Triphala is a combination of three fruits: Amla, Bibhitaki, and Haritaki. It is widely used in Ayurveda for its eye health benefits. Triphala is believed to support clear vision, reduce eye strain, and promote overall eye health.
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A small, painful bump on the eyelid
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A type of eye infection
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A cyst on the eyelid
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A blocked oil gland on the eyelid
D
Correct answer
Explanation
A stye is a small, painful bump on the eyelid caused by a blocked oil gland.
When should you see a doctor about a stye or chalazion?
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If it is painful
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If it is red and swollen
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If it does not go away after a week
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All of the above
D
Correct answer
Explanation
You should see a doctor about a stye or chalazion if it is painful, red and swollen, or does not go away after a week.
What is the most common complication of a stye or chalazion?
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Infection
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Scarring
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Vision loss
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All of the above
A
Correct answer
Explanation
The most common complication of a stye or chalazion is infection.
When should a stye or chalazion be treated with surgery?
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If it is large and painful
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If it is causing vision problems
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If it does not respond to home treatment
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All of the above
D
Correct answer
Explanation
A stye or chalazion should be treated with surgery if it is large and painful, if it is causing vision problems, or if it does not respond to home treatment.
What is the prognosis for a stye or chalazion?
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Most styes and chalazia go away on their own
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Treatment can usually resolve a stye or chalazion
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Surgery is always necessary to treat a stye or chalazion
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All of the above
A
Correct answer
Explanation
Most styes and chalazia go away on their own. Treatment can usually resolve a stye or chalazion if it does not go away on its own. Surgery is rarely necessary to treat a stye or chalazion.
Which of the following is a common type of injury among shooters?
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Repetitive strain injury (RSI)
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Hearing loss
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Eye strain
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All of the above
D
Correct answer
Explanation
Shooting sports can lead to various injuries, including repetitive strain injury (RSI) due to repeated movements, hearing loss from exposure to loud noises, and eye strain from focusing on targets for extended periods.
What is the primary cause of eye strain in shooting sports?
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Focusing on targets for extended periods
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Exposure to bright sunlight
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Repetitive eye movements
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All of the above
D
Correct answer
Explanation
Eye strain in shooting sports can result from a combination of factors, including focusing on targets for long durations, exposure to bright sunlight, and repetitive eye movements while tracking moving targets.
Which of the following is a common eye condition that affects the ability to see clearly at a distance?
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Myopia
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Hyperopia
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Astigmatism
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Presbyopia
A
Correct answer
Explanation
Myopia, also known as nearsightedness, is a common eye condition where distant objects appear blurry while nearby objects are clear.
Which eye condition is characterized by the clouding of the lens, leading to blurred vision?
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Cataract
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Glaucoma
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Macular degeneration
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Conjunctivitis
A
Correct answer
Explanation
Cataract is an eye condition where the lens becomes cloudy, resulting in blurred vision, glare, and difficulty seeing in dim light.
What is the leading cause of blindness worldwide?
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Cataract
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Glaucoma
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Age-related macular degeneration
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Diabetic retinopathy
A
Correct answer
Explanation
Cataract is the leading cause of blindness worldwide, particularly among older adults, due to the clouding of the lens.
Which eye condition is characterized by damage to the optic nerve, leading to loss of peripheral vision?
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Cataract
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Glaucoma
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Macular degeneration
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Conjunctivitis
B
Correct answer
Explanation
Glaucoma is an eye condition where the optic nerve is damaged, typically due to increased pressure within the eye, leading to loss of peripheral vision.
Which eye condition is characterized by the deterioration of the macula, leading to loss of central vision?
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Cataract
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Glaucoma
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Macular degeneration
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Conjunctivitis
C
Correct answer
Explanation
Macular degeneration is an eye condition where the macula, responsible for central vision, deteriorates, leading to loss of sharp central vision.
What is the purpose of eye drops in eye care?
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Correcting refractive errors
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Treating eye infections
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Enhancing night vision
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Protecting eyes from UV rays
B
Correct answer
Explanation
Eye drops are often used to treat eye infections, such as conjunctivitis, by delivering medication directly to the affected area.
Which laser type is commonly used in laser eye surgery?
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Excimer laser
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Nd:YAG laser
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CO2 laser
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Argon laser
A
Correct answer
Explanation
Excimer lasers are commonly used in laser eye surgery due to their ability to precisely ablate corneal tissue, reshaping it to correct vision problems.