Biology ยท 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.
Myopia and hypermetropiaCataracts and risk factorsGlaucoma treatmentsEye infection typesArtificial tears
Vision Defects and Eye Conditions Questions
What is the term for the surgical removal of a pterygium, a fleshy growth on the conjunctiva?
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Pterygium Excision
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Conjunctival Resection
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Scleral Patch Graft
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Amniotic Membrane Transplant
A
Correct answer
Explanation
Pterygium excision is a surgical procedure that involves removing the pterygium from the conjunctiva, restoring the normal appearance and function of the eye.
Which surgical technique is used to correct strabismus, a condition where the eyes do not align properly?
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Strabismus Surgery
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Eye Muscle Surgery
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Cataract Surgery
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LASIK
A
Correct answer
Explanation
Strabismus surgery, also known as eye muscle surgery, is a surgical procedure that aims to correct strabismus by adjusting the muscles that control eye movement.
What is the purpose of an amniotic membrane transplant in ocular surgery?
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Removal of cataracts
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Correction of glaucoma
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Repair of retinal detachment
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Treatment of corneal ulcers
D
Correct answer
Explanation
Amniotic membrane transplant is a surgical procedure that involves transplanting a thin layer of amniotic membrane onto the cornea to promote healing and reduce scarring in cases of corneal ulcers.
Which surgical procedure is used to treat uveitis, an inflammation of the uvea, the middle layer of the eye?
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Uveitis Surgery
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Scleral Buckling
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Corneal Transplant
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Retinal Detachment Repair
A
Correct answer
Explanation
Uveitis surgery involves various techniques to manage inflammation and prevent complications in cases of uveitis, such as vitrectomy, trabeculectomy, or scleral buckling.
Which type of medical device is used to treat glaucoma?
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Trabeculectomy
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Laser trabeculoplasty
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Glaucoma drainage implant
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All of the above
D
Correct answer
Explanation
Trabeculectomy, laser trabeculoplasty, and glaucoma drainage implants are all surgical procedures used to treat glaucoma by reducing intraocular pressure.
Which of the following is a common type of optical fabrication error?
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Spherical aberration
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Coma
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Astigmatism
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All of the above
D
Correct answer
Explanation
Spherical aberration, coma, and astigmatism are all common types of optical fabrication errors that can affect the performance of optical systems.
Which of the following is NOT a common eye condition?
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Cataracts
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Glaucoma
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Macular Degeneration
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Tooth Decay
D
Correct answer
Explanation
Tooth Decay is a dental condition, not an eye condition.
What is the leading cause of blindness worldwide?
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Cataracts
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Glaucoma
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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 term for the loss of peripheral vision?
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Cataracts
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Glaucoma
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Macular Degeneration
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Tunnel Vision
D
Correct answer
Explanation
Tunnel Vision is the loss of peripheral vision, resulting in a narrow field of view.
Which eye condition is characterized by increased pressure within the eye?
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Cataracts
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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 characterized by increased pressure within the eye, which can damage the optic nerve and lead to vision loss.
Which eye condition is a leading cause of vision loss in people with diabetes?
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Cataracts
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Glaucoma
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Macular Degeneration
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Diabetic Retinopathy
D
Correct answer
Explanation
Diabetic Retinopathy is a leading cause of vision loss in people with diabetes, affecting the blood vessels in the retina.
What is the importance of regular eye exams?
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Detecting Eye Conditions Early
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Monitoring Eye Health Changes
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Prescribing Corrective Lenses
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All of the Above
D
Correct answer
Explanation
Regular eye exams are crucial for detecting eye conditions early, monitoring changes in eye health, and prescribing corrective lenses if necessary.
Which eye condition is characterized by the clouding of the lens?
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Cataracts
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Glaucoma
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Macular Degeneration
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Conjunctivitis
A
Correct answer
Explanation
Cataracts are characterized by the clouding of the lens, causing blurred vision and sensitivity to light.
What is the term for the inflammation of the conjunctiva?
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Cataracts
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Glaucoma
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Macular Degeneration
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Conjunctivitis
D
Correct answer
Explanation
Conjunctivitis is the inflammation of the conjunctiva, the clear membrane covering the white part of the eye and lining the inside of the eyelid.
What is the term for the age-related deterioration of the macula?
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Cataracts
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Glaucoma
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Macular Degeneration
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Conjunctivitis
C
Correct answer
Explanation
Macular Degeneration is the age-related deterioration of the macula, leading to a gradual loss of central vision.