Question

What is used to adjust the thickness of the eyeballs

Answer 1

Answer:

While one cannot change the cornea's power in focusing, it can surely be maximized by relaxing and contracting of the ciliary muscles, thus helping us to focus on objects near us or far away.Jan 8, 2019

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Answer 2

Answer:

While one cannot change the cornea's power in focusing, it can surely be maximized by relaxing and contracting of the ciliary muscles, thus helping us to focus on objects near us or far away.

Sorry I forgot to tell you that

The thickness of the lens is adjusted by contraction and relaxation of the ciliary body, made up of smooth muscle.

Thanks !