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 is the term for the loss of central vision?
-
Macular degeneration
-
Glaucoma
-
Retinitis pigmentosa
-
Cataracts
A
Correct answer
Explanation
Macular degeneration is the loss of central vision, which is responsible for sharp, detailed vision.
Which of the following is a common cause of blindness in adults?
-
Cataracts
-
Glaucoma
-
Age-related macular degeneration
-
Diabetic retinopathy
C
Correct answer
Explanation
Age-related macular degeneration (AMD) is a leading cause of blindness in adults, particularly those over the age of 50.
What is the term for the inability to see colors?
-
Color blindness
-
Achromatopsia
-
Monochromatism
-
All of the above
D
Correct answer
Explanation
Color blindness, achromatopsia, and monochromatism are all terms for the inability to see colors.
What is the term for a person who is blind or has low vision?
-
Visually impaired
-
Legally blind
-
Partially sighted
-
All of the above
D
Correct answer
Explanation
Visually impaired, legally blind, and partially sighted are all terms for a person who is blind or has low vision.
What is the most common cause of red eye in photographs?
-
The flash of the camera
-
The subject's eyes being too close to the camera
-
The subject's eyes being too far from the camera
-
The subject's eyes being too bright
A
Correct answer
Explanation
The flash of the camera causes the blood vessels in the subject's eyes to reflect light, which results in red eye.
Which of the following is not a common symptom of red eye?
-
Itching
-
Burning
-
Tearing
-
Blurred vision
D
Correct answer
Explanation
Blurred vision is not a common symptom of red eye.
Which of the following is not a common treatment for red eye?
-
Artificial tears
-
Antihistamines
-
Decongestants
-
Antibiotics
D
Correct answer
Explanation
Antibiotics are not a common treatment for red eye.
Which eye condition is commonly associated with a deficiency of vitamin B1?
-
Cataracts
-
Glaucoma
-
Macular degeneration
-
Beriberi
D
Correct answer
Explanation
Vitamin B1 deficiency can lead to beriberi, a condition that affects multiple organ systems, including the eyes. Ocular manifestations of beriberi can include corneal ulcers, optic nerve atrophy, and nystagmus.
Which eye condition is associated with a deficiency of vitamin B2?
-
Cataracts
-
Glaucoma
-
Macular degeneration
-
Ariboflavinosis
D
Correct answer
Explanation
Vitamin B2 deficiency can lead to ariboflavinosis, a condition that affects multiple organ systems, including the eyes. Ocular manifestations of ariboflavinosis can include corneal vascularization, photophobia, and decreased visual acuity.
Which eye condition is associated with a deficiency of vitamin B3?
-
Cataracts
-
Glaucoma
-
Macular degeneration
-
Pellagra
D
Correct answer
Explanation
Vitamin B3 deficiency can lead to pellagra, a condition that affects multiple organ systems, including the eyes. Ocular manifestations of pellagra can include conjunctivitis, keratitis, and decreased visual acuity.
Which item is essential for protecting your eyes from the sun's harmful UV rays?
-
Sunglasses
-
Contact lenses
-
Eye drops
-
Goggles
A
Correct answer
Explanation
Sunglasses protect your eyes from UV rays and reduce the risk of eye damage.
Which of the following is NOT a common sports-related vision problem?
-
Strabismus.
-
Amblyopia.
-
Astigmatism.
-
Hyperopia.
D
Correct answer
Explanation
Hyperopia, or farsightedness, is not a common sports-related vision problem, as it does not typically affect an athlete's ability to perform.
Which of the following is NOT a common sports-related vision problem?
-
Strabismus.
-
Amblyopia.
-
Astigmatism.
-
Hyperopia.
D
Correct answer
Explanation
Hyperopia, or farsightedness, is not a common sports-related vision problem, as it does not typically affect an athlete's ability to perform.
Which of the following is NOT a common sports-related vision problem?
-
Strabismus.
-
Amblyopia.
-
Astigmatism.
-
Hyperopia.
D
Correct answer
Explanation
Hyperopia, or farsightedness, is not a common sports-related vision problem, as it does not typically affect an athlete's ability to perform.
Which of the following is a common eye condition in children?
-
Myopia
-
Hyperopia
-
Astigmatism
-
All of the above
D
Correct answer
Explanation
Myopia, hyperopia, and astigmatism are all common eye conditions that can occur in children.