Biology · Physics
Vision Defects and Eye Conditions
1,091 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.
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Vision Defects and Eye Conditions Questions
Which eye disease is associated with an increased risk of stroke?
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Cataracts
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Glaucoma
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Age-related macular degeneration
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Retinal detachment
B
Correct answer
Explanation
Glaucoma is associated with an increased risk of stroke, particularly in individuals with uncontrolled intraocular pressure.
What is the leading cause of preventable blindness worldwide?
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Cataracts
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Glaucoma
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Age-related macular degeneration
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Uncorrected refractive errors
D
Correct answer
Explanation
Uncorrected refractive errors, such as nearsightedness, farsightedness, and astigmatism, are the leading cause of preventable blindness worldwide.
Which eye condition is associated with an increased risk of developing Alzheimer's disease?
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Cataracts
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Glaucoma
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Age-related macular degeneration
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Retinal detachment
C
Correct answer
Explanation
Age-related macular degeneration is associated with an increased risk of developing Alzheimer's disease, particularly in individuals with advanced stages of the condition.
What is the most common cause of sudden vision loss in one eye?
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Cataracts
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Glaucoma
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Age-related macular degeneration
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Retinal detachment
D
Correct answer
Explanation
Retinal detachment is the most common cause of sudden vision loss in one eye, occurring when the retina separates from the underlying choroid.
Which eye disease is characterized by the growth of abnormal blood vessels in the retina?
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Cataracts
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Glaucoma
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Age-related macular degeneration
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Diabetic retinopathy
D
Correct answer
Explanation
Diabetic retinopathy is characterized by the growth of abnormal blood vessels in the retina, which can lead to vision loss if left untreated.
What is the primary risk factor for developing cataracts?
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Age over 60
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Exposure to ultraviolet radiation
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Smoking
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Diabetes
A
Correct answer
Explanation
Age over 60 is the primary risk factor for developing cataracts, with the risk increasing significantly after the age of 75.
Which eye condition is associated with an increased risk of developing glaucoma?
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Cataracts
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Age-related macular degeneration
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Diabetic retinopathy
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Myopia
D
Correct answer
Explanation
Myopia, or nearsightedness, is associated with an increased risk of developing glaucoma, particularly in individuals with high degrees of myopia.
What is the most common cause of blindness in people over the age of 80?
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Cataracts
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Glaucoma
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Age-related macular degeneration
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Diabetic retinopathy
C
Correct answer
Explanation
Age-related macular degeneration is the most common cause of blindness in people over the age of 80, affecting approximately 11 million individuals in the United States.
Which eye disease is characterized by the formation of a cloudy area in the lens of the eye?
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Cataracts
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Glaucoma
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Age-related macular degeneration
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Diabetic retinopathy
A
Correct answer
Explanation
Cataracts are characterized by the formation of a cloudy area in the lens of the eye, which can lead to blurred vision, glare, and eventually blindness if left untreated.
What is the name of the condition in which the lens of the eye becomes cloudy, leading to blurred vision?
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Cataracts
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Glaucoma
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Macular degeneration
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Retinitis pigmentosa
A
Correct answer
Explanation
Cataracts are a clouding of the lens of the eye, which can lead to blurred vision, glare, and difficulty seeing in dim light. Cataracts are a common cause of vision loss in older adults.
Which of the following is a common symptom of glaucoma?
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Blurred vision
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Pain in the eye
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Seeing halos around lights
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Loss of peripheral vision
D
Correct answer
Explanation
Glaucoma is a condition in which the optic nerve, which connects the eye to the brain, is damaged. This can lead to loss of peripheral vision, blurred vision, and pain in the eye. Glaucoma is a leading cause of blindness in adults.
What is the name of the condition in which the macula, the central part of the retina, is damaged?
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Cataracts
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Glaucoma
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Macular degeneration
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Retinitis pigmentosa
C
Correct answer
Explanation
Macular degeneration is a condition in which the macula, the central part of the retina, is damaged. This can lead to loss of central vision, making it difficult to read, drive, and recognize faces.
Which of the following is a common cause of vision loss in children?
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Cataracts
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Glaucoma
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Amblyopia (lazy eye)
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Strabismus (crossed eyes)
C
Correct answer
Explanation
Amblyopia, also known as lazy eye, is a condition in which one eye is weaker than the other. This can lead to vision loss in the weaker eye if it is not treated early.
What is the name of the condition in which the retina, the light-sensitive tissue at the back of the eye, is damaged?
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Cataracts
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Glaucoma
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Macular degeneration
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Retinitis pigmentosa
D
Correct answer
Explanation
Retinitis pigmentosa is a condition in which the retina, the light-sensitive tissue at the back of the eye, is damaged. This can lead to night blindness, loss of peripheral vision, and eventually blindness.
What is the name of the condition in which the eardrum is perforated?
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Otitis media
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Tympanic membrane perforation
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Ménière's disease
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Acoustic neuroma
B
Correct answer
Explanation
Tympanic membrane perforation is a condition in which the eardrum is perforated. This can lead to hearing loss, pain in the ear, and discharge from the ear.