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 of the following is NOT a common type of bow sight?
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Pin sight
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Aperture sight
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Lens sight
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Red dot sight
D
Correct answer
Explanation
Red dot sights are not a common type of bow sight. Pin sights, aperture sights, and lens sights are all more common types.
What is the leading cause of blindness worldwide?
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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 the leading cause of blindness worldwide, accounting for over 50% of all cases.
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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Diabetic retinopathy
A
Correct answer
Explanation
Cataracts are the leading cause of preventable blindness worldwide, accounting for over 50% of all cases.
Which type of corneal disease is commonly treated using regenerative medicine techniques?
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Cataracts
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Glaucoma
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Keratoconus
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Age-related macular degeneration
C
Correct answer
Explanation
Regenerative medicine techniques are often used to treat keratoconus, a condition characterized by the thinning and bulging of the cornea.
Which type of eye disease is characterized by the degeneration of the macula, leading to loss of central vision?
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Cataracts
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Glaucoma
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Age-related macular degeneration (AMD)
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Retinitis pigmentosa
C
Correct answer
Explanation
Age-related macular degeneration (AMD) is a common eye disease that affects the macula, leading to loss of central vision.
Which type of eye disease is characterized by increased intraocular pressure, leading to damage to the optic nerve?
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Cataracts
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Glaucoma
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Age-related macular degeneration (AMD)
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Retinitis pigmentosa
B
Correct answer
Explanation
Glaucoma is an eye disease characterized by increased intraocular pressure, which can damage the optic nerve and lead to vision loss.
Which type of eye disease is characterized by the clouding of the lens, leading to blurred vision?
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Cataracts
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Glaucoma
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Age-related macular degeneration (AMD)
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Retinitis pigmentosa
A
Correct answer
Explanation
Cataracts are characterized by the clouding of the lens, leading to blurred vision.
What is the name of the disease that occurs when the macula, the central part of the retina, is damaged?
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Glaucoma
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Cataracts
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Macular degeneration
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Retinitis pigmentosa
C
Correct answer
Explanation
Macular degeneration is a disease that affects the macula, the central part of the retina responsible for sharp central vision. It is a leading cause of vision loss in older adults.
What is the leading cause of blindness worldwide?
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Cataracts
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Glaucoma
-
Age-related macular degeneration
-
Diabetic retinopathy
A
Correct answer
Explanation
Cataracts, a clouding of the eye's lens, are the leading cause of blindness globally, affecting millions of people.
Which eye condition is characterized by increased pressure inside 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
B
Correct answer
Explanation
Glaucoma is a group of eye conditions that involve increased pressure within the eye, potentially leading to optic nerve damage and vision loss.
What is the leading cause of vision loss in children?
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Cataracts
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Glaucoma
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Amblyopia
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Strabismus
C
Correct answer
Explanation
Amblyopia, also known as lazy eye, is the leading cause of vision loss in children. It occurs when one eye is weaker than the other, resulting in decreased vision in the weaker eye.
Which eye condition 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 a complication of diabetes that affects the blood vessels in the retina, potentially leading to vision loss.
Which eye condition is characterized by the clouding of the vitreous humor?
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Cataracts
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Glaucoma
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Floaters
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Vitreous detachment
C
Correct answer
Explanation
Floaters are small, moving specks or shapes in the field of vision caused by tiny clumps of cells or debris in the vitreous humor.
Which eye condition is characterized by the degeneration of the macula, the central part of 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
C
Correct answer
Explanation
Age-related macular degeneration is a common eye condition in older adults, causing progressive damage to the macula and potentially leading to vision loss.
Which eye condition is characterized by the inward or outward turning of the eye?
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Cataracts
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Glaucoma
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Strabismus
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Nystagmus
C
Correct answer
Explanation
Strabismus, commonly known as crossed eyes, is a condition where one eye turns inward or outward, causing misalignment of the eyes.