SSS 3 Exam > SSS 3 Questions > What happens to the lens of the eye when focu...
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What happens to the lens of the eye when focusing on distant objects?
- a)It contracts
- b)It expands
- c)It becomes thicker
- d)It flattens
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
What happens to the lens of the eye when focusing on distant objects?a...
When focusing on distant objects, the lens of the eye flattens. This occurs due to the relaxation of the ciliary muscles, which increases tension on the suspensory ligaments, pulling the lens into a flatter shape. This adjustment is essential for ensuring a clear image of far-away objects on the retina.
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Community Answer
What happens to the lens of the eye when focusing on distant objects?a...
Understanding the Eye's Lens Function
When focusing on distant objects, the lens of the eye undergoes a specific change to ensure clear vision.
Lens Adjustment Mechanism
- The lens is a flexible structure located behind the iris.
- It changes shape to focus light rays onto the retina.
Focusing on Distant Objects
- When focusing on faraway objects, the ciliary muscles relax.
- This relaxation causes the lens to flatten.
Why the Lens Flattens
- Flatter lenses allow light rays from distant objects to converge properly on the retina.
- The curvature of a lens determines its focusing power; a flatter lens has less refractive power, which is ideal for distant vision.
Contrast with Close Objects
- In contrast, when viewing nearby objects, the ciliary muscles contract, causing the lens to become more rounded and thicker.
- This thicker shape increases the lens's refractive power, enabling clear vision for close-up tasks.
Conclusion
- The ability to focus on objects at varying distances is a crucial function of the eye’s lens.
- Understanding this mechanism helps explain how we perceive our surroundings clearly, regardless of the distance of the objects we observe.
By recognizing these adjustments, we can appreciate the complexity of our visual system and how it adapts to different viewing conditions.
When focusing on distant objects, the lens of the eye undergoes a specific change to ensure clear vision.
Lens Adjustment Mechanism
- The lens is a flexible structure located behind the iris.
- It changes shape to focus light rays onto the retina.
Focusing on Distant Objects
- When focusing on faraway objects, the ciliary muscles relax.
- This relaxation causes the lens to flatten.
Why the Lens Flattens
- Flatter lenses allow light rays from distant objects to converge properly on the retina.
- The curvature of a lens determines its focusing power; a flatter lens has less refractive power, which is ideal for distant vision.
Contrast with Close Objects
- In contrast, when viewing nearby objects, the ciliary muscles contract, causing the lens to become more rounded and thicker.
- This thicker shape increases the lens's refractive power, enabling clear vision for close-up tasks.
Conclusion
- The ability to focus on objects at varying distances is a crucial function of the eye’s lens.
- Understanding this mechanism helps explain how we perceive our surroundings clearly, regardless of the distance of the objects we observe.
By recognizing these adjustments, we can appreciate the complexity of our visual system and how it adapts to different viewing conditions.
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What happens to the lens of the eye when focusing on distant objects?a) It contractsb) It expandsc) It becomes thickerd) It flattensCorrect answer is option 'D'. 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 What happens to the lens of the eye when focusing on distant objects?a) It contractsb) It expandsc) It becomes thickerd) It flattensCorrect answer is option 'D'. 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 What happens to the lens of the eye when focusing on distant objects?a) It contractsb) It expandsc) It becomes thickerd) It flattensCorrect answer is option 'D'. Can you explain this answer?.
What happens to the lens of the eye when focusing on distant objects?a) It contractsb) It expandsc) It becomes thickerd) It flattensCorrect answer is option 'D'. 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 What happens to the lens of the eye when focusing on distant objects?a) It contractsb) It expandsc) It becomes thickerd) It flattensCorrect answer is option 'D'. 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 What happens to the lens of the eye when focusing on distant objects?a) It contractsb) It expandsc) It becomes thickerd) It flattensCorrect answer is option 'D'. Can you explain this answer?.
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