What is the meaning of power accommodation of eye how does this help us to see objects at different distance?
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The term 'Power of accommodation' of human eye refers to the ability of an eye to change the focal length of the eye lens. ... To focus on distant objects the ciliary muscles relax making the eye lens thin. As a result the focal length of the eye lens increases and we see the distant objects.
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The process through which the ciliary muscles of the eye change their focal length so as to form clear image on the retina is called as the accommodation power of the eye.
Explanation:
- The power of accommodation may vary from the near and distant objects when objects move away or towards the proximity of the eye.
- By changing the focal length of the eye the accommodation power of the eye also changes.
- If the object is found to be at distance, the image to form on the retina, the focal length of the eye has to be large.
- The power of accommodation of the human eye is 4 diopter.
Learn more about power of accommodation:
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