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 was the most common cause of blindness in the Middle Ages?
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Trachoma
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Cataracts
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Glaucoma
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Smallpox
A
Correct answer
Explanation
Trachoma is a bacterial infection of the eye that can lead to blindness. It was very common in the Middle Ages, especially in poor and unsanitary conditions.
Which of the following is a common bacterial eye infection?
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Conjunctivitis
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Stye
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Blepharitis
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Keratitis
A
Correct answer
Explanation
Conjunctivitis, also known as pink eye, is a common bacterial or viral infection of the conjunctiva, the clear membrane that covers the white part of the eye and lines the inside of the eyelid.
Which of the following is a chronic inflammatory condition of the eyelid margin?
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Conjunctivitis
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Stye
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Blepharitis
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Keratitis
C
Correct answer
Explanation
Blepharitis is a chronic inflammatory condition of the eyelid margin that can cause redness, swelling, and crusting of the eyelids.
Which of the following is a rare but serious fungal infection of the eye?
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Conjunctivitis
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Stye
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Blepharitis
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Keratomycosis
D
Correct answer
Explanation
Keratomycosis is a rare but serious fungal infection of the cornea that can lead to blindness if not treated promptly.
Which of the following is a chronic inflammatory condition of the retina?
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Retinitis pigmentosa
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Age-related macular degeneration
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Diabetic retinopathy
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Retinal detachment
A
Correct answer
Explanation
Retinitis pigmentosa is a chronic inflammatory condition of the retina that can lead to blindness.
What is the most common cause of scleritis?
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Bacteria
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Virus
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Autoimmune disease
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Trauma
C
Correct answer
Explanation
Scleritis is an inflammation of the sclera, the white outer layer of the eye. The most common cause of scleritis is an autoimmune disease, such as rheumatoid arthritis or lupus.
Which of the following is a chronic inflammatory condition of the lacrimal gland?
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Conjunctivitis
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Stye
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Blepharitis
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Dacryoadenitis
D
Correct answer
Explanation
Dacryoadenitis is a chronic inflammatory condition of the lacrimal gland, which produces tears.
Which of the following is a rare but serious complication of eye surgery?
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Conjunctivitis
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Stye
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Blepharitis
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Endophthalmitis
D
Correct answer
Explanation
Endophthalmitis is a rare but serious complication of eye surgery that can lead to blindness if not treated promptly.
Which of the following is a chronic inflammatory condition of the conjunctiva?
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Conjunctivitis
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Stye
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Blepharitis
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Keratitis
C
Correct answer
Explanation
Blepharitis is a chronic inflammatory condition of the conjunctiva, the clear membrane that covers the white part of the eye and lines the inside of the eyelid.
Which of the following is a common cause of vision loss in older adults?
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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
D
Correct answer
Explanation
Cataracts, glaucoma, and age-related macular degeneration are all common causes of vision loss in older adults.
Which of the following is NOT a common cause of vision impairment in old age?
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Cataracts
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Glaucoma
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Macular degeneration
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Refractive errors
D
Correct answer
Explanation
Refractive errors are typically caused by the shape of the eye and are not related to aging.
What is the term for the loss of the ability to see objects clearly at a distance?
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Myopia
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Hyperopia
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Astigmatism
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Presbyopia
B
Correct answer
Explanation
Hyperopia, also known as farsightedness, is the inability to see objects clearly at a distance.
What is the term for the loss of the ability to see objects clearly up close?
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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 the inability to see objects clearly up close.
Which of the following is NOT a strategy for adapting to vision impairment in old age?
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Using magnifiers or reading glasses
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Increasing the lighting in your home
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Wearing sunglasses outdoors
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Avoiding driving at night
D
Correct answer
Explanation
Avoiding driving at night is not a strategy for adapting to vision impairment, but rather a safety precaution.
Which of the following is a common challenge faced by people with vision impairment in old age?
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Difficulty reading
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Difficulty driving
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Difficulty watching TV
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All of the above
D
Correct answer
Explanation
People with vision impairment in old age often experience difficulty reading, driving, and watching TV.