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Which part of the eye protects it from dust and debris?
- a)Lens
- b)Cornea
- c)Eyelids
- d)Sclera
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
Which part of the eye protects it from dust and debris?a) Lensb) Corne...
The eyelids serve as protective barriers for the eyes, helping to keep dust and debris out. They also play a role in spreading tears across the surface of the eye to keep it lubricated and remove small particles, demonstrating their importance in maintaining eye health.
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Which part of the eye protects it from dust and debris?a) Lensb) Corne...
Protective Function of Eyelids
The correct answer to the question of which part of the eye protects it from dust and debris is indeed the eyelids. Here's a detailed explanation of their protective role.
Role of Eyelids
- Physical Barrier: The eyelids serve as a physical barrier, closing over the eyes to shield them from environmental elements like dust, debris, and even excessive light.
- Blink Reflex: The process of blinking is essential. It occurs automatically and helps to remove small particles that may have settled on the surface of the eye. Each blink spreads tears across the surface, which also helps wash away irritants.
Additional Protective Features
- Tears and Lubrication: When eyelids close, they help in the distribution of tears, which not only keeps the eye moist but also traps and flushes out foreign particles.
- Sensitivity: The eyelid margin is highly sensitive, containing nerve endings that trigger the blink reflex when something approaches the eye, preventing potential injury.
Conclusion
In summary, while other parts of the eye, like the lens and cornea, serve specific functions related to vision, the eyelids play a crucial protective role. They not only block harmful particles but also facilitate the removal of any debris through blinking and tear production. Thus, the eyelids are essential for maintaining eye health and comfort.
The correct answer to the question of which part of the eye protects it from dust and debris is indeed the eyelids. Here's a detailed explanation of their protective role.
Role of Eyelids
- Physical Barrier: The eyelids serve as a physical barrier, closing over the eyes to shield them from environmental elements like dust, debris, and even excessive light.
- Blink Reflex: The process of blinking is essential. It occurs automatically and helps to remove small particles that may have settled on the surface of the eye. Each blink spreads tears across the surface, which also helps wash away irritants.
Additional Protective Features
- Tears and Lubrication: When eyelids close, they help in the distribution of tears, which not only keeps the eye moist but also traps and flushes out foreign particles.
- Sensitivity: The eyelid margin is highly sensitive, containing nerve endings that trigger the blink reflex when something approaches the eye, preventing potential injury.
Conclusion
In summary, while other parts of the eye, like the lens and cornea, serve specific functions related to vision, the eyelids play a crucial protective role. They not only block harmful particles but also facilitate the removal of any debris through blinking and tear production. Thus, the eyelids are essential for maintaining eye health and comfort.
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Question Description
Which part of the eye protects it from dust and debris?a) Lensb) Corneac) Eyelidsd) ScleraCorrect answer is option 'C'. Can you explain this answer? for SSS 3 2025 is part of SSS 3 preparation. The Question and answers have been prepared according to the SSS 3 exam syllabus. Information about Which part of the eye protects it from dust and debris?a) Lensb) Corneac) Eyelidsd) ScleraCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for SSS 3 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which part of the eye protects it from dust and debris?a) Lensb) Corneac) Eyelidsd) ScleraCorrect answer is option 'C'. Can you explain this answer?.
Which part of the eye protects it from dust and debris?a) Lensb) Corneac) Eyelidsd) ScleraCorrect answer is option 'C'. Can you explain this answer? for SSS 3 2025 is part of SSS 3 preparation. The Question and answers have been prepared according to the SSS 3 exam syllabus. Information about Which part of the eye protects it from dust and debris?a) Lensb) Corneac) Eyelidsd) ScleraCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for SSS 3 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which part of the eye protects it from dust and debris?a) Lensb) Corneac) Eyelidsd) ScleraCorrect answer is option 'C'. Can you explain this answer?.
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