![Which part of the human eye controls the focus of the eye by varying its thickness? A.Ciliary muscles B.Iris C.Pupil D.Retina Which part of the human eye controls the focus of the eye by varying its thickness? A.Ciliary muscles B.Iris C.Pupil D.Retina](https://www.vedantu.com/question-sets/1350086d-3f12-4bb7-840c-d779a907b5877459014746314103569.png)
Which part of the human eye controls the focus of the eye by varying its thickness? A.Ciliary muscles B.Iris C.Pupil D.Retina
![Visual accommodation. To shift the eye's focus from a distant target... | Download Scientific Diagram Visual accommodation. To shift the eye's focus from a distant target... | Download Scientific Diagram](https://www.researchgate.net/publication/263581689/figure/fig1/AS:648597762744321@1531649165794/Visual-accommodation-To-shift-the-eyes-focus-from-a-distant-target-top-to-a-close.png)
Visual accommodation. To shift the eye's focus from a distant target... | Download Scientific Diagram
The distance of the eye lens from the retina is x. For normal eye, the maximum focal length of the eye lens is Options: A.= x B. x D.= 2x
![How does one focus on an airplane in the sky immediately after taking the eyes off from the pages of a book? | Socratic How does one focus on an airplane in the sky immediately after taking the eyes off from the pages of a book? | Socratic](https://useruploads.socratic.org/5Ip79DOTrwDWSDyAjJWw_accomodation.png)