Q. The focal length of the eye lens is controlled by

नेत्र लेंस की फोकल लंबाई किसके द्वारा नियंत्रित होती है?

A
Iris
आईरिस
B
Retina
रेटिना
C
Ciliary muscles
सिलिअरी मांसपेशियाँ
D
Cornea
कॉर्निया

Explanation

The ciliary muscles adjust the shape of the eye's lens to focus on objects at different distances, a process known as accommodation. When these muscles contract or relax, they change the curvature of the lens, thereby changing its focal length.

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