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 a risk factor for epiretinal membrane?
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Diabetes
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Hypertension
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Posterior vitreous detachment
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All of the above
C
Correct answer
Explanation
Posterior vitreous detachment is a risk factor for epiretinal membrane, a condition in which a thin membrane forms on the surface of the retina.
What is the most common type of macular hole?
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Idiopathic macular hole
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Traumatic macular hole
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Myopic macular hole
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All of the above
A
Correct answer
Explanation
Idiopathic macular hole is the most common type, occurring spontaneously without any apparent cause.
Which of the following is a symptom of vitreomacular traction syndrome?
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Metamorphopsia
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Micropsia
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Macular pucker
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All of the above
D
Correct answer
Explanation
Metamorphopsia, micropsia, and macular pucker are all symptoms of vitreomacular traction syndrome, a condition caused by abnormal traction on the macula.
What is the primary treatment for proliferative diabetic retinopathy?
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Laser photocoagulation
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Anti-VEGF injections
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Vitrectomy
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All of the above
D
Correct answer
Explanation
Laser photocoagulation, anti-VEGF injections, and vitrectomy are all treatment options for proliferative diabetic retinopathy, depending on the stage and severity of the condition.
Which of the following is a risk factor for central serous chorioretinopathy?
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Type A personality
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Use of corticosteroids
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Pregnancy
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All of the above
D
Correct answer
Explanation
Type A personality, use of corticosteroids, and pregnancy are all risk factors for central serous chorioretinopathy, a condition characterized by fluid accumulation beneath the retina.
What is the most common cause of choroidal neovascularization?
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Age-related macular degeneration
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Myopia
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Trauma
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All of the above
A
Correct answer
Explanation
Age-related macular degeneration is the most common cause of choroidal neovascularization, a condition in which new blood vessels grow beneath the retina.
Which of the following is a symptom of retinal vein occlusion?
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Sudden loss of vision
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Blurred vision
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Floaters
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All of the above
D
Correct answer
Explanation
Sudden loss of vision, blurred vision, and floaters are all symptoms of retinal vein occlusion, a condition caused by blockage of a retinal vein.
What is the primary treatment for macular edema?
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Laser photocoagulation
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Anti-VEGF injections
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Vitrectomy
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All of the above
D
Correct answer
Explanation
Laser photocoagulation, anti-VEGF injections, and vitrectomy are all treatment options for macular edema, depending on the underlying cause and severity of the condition.
Which of the following is a risk factor for lattice degeneration?
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Myopia
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Family history
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Age-related macular degeneration
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All of the above
D
Correct answer
Explanation
Myopia, family history, and age-related macular degeneration are all risk factors for lattice degeneration, a condition characterized by lattice-like lines in the retina.
What is the most common cause of vitreous floaters?
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Posterior vitreous detachment
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Retinal tear
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Age-related macular degeneration
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All of the above
A
Correct answer
Explanation
Posterior vitreous detachment is the most common cause of vitreous floaters, which are small particles that appear to float in front of the eyes.
What is the most common type of film damage?
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Scratches
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Tears
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Fading
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Discoloration
A
Correct answer
Explanation
Scratches are the most common type of film damage.
What is the leading cause of blindness globally?
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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 globally, characterized by clouding of the eye's lens, resulting in blurred vision and eventually blindness.
According to the World Health Organization, what is the leading cause of avoidable 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, a clouding of the eye's lens, are the primary cause of avoidable blindness globally, affecting millions of individuals.
Which of the following is a common misconception about eye health?
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Reading in dim light can damage your eyes
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Wearing glasses or contact lenses can weaken your eyesight
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Eye exercises can improve your vision
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Eating carrots can prevent night blindness
B
Correct answer
Explanation
Wearing glasses or contact lenses does not weaken your eyesight; they simply correct refractive errors to provide clear vision.
Which of the following is a major risk factor for developing glaucoma?
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High blood pressure
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Diabetes
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Family history of glaucoma
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Prolonged use of digital devices
C
Correct answer
Explanation
A family history of glaucoma is a significant risk factor for developing the condition, indicating a genetic predisposition.