![SOLVED: Image before (in-front) Retina Retina Long distance Object Coft Uaeaaug Human Eye Lens The above picture shows the defect of human eye; where the image of the long distance object is SOLVED: Image before (in-front) Retina Retina Long distance Object Coft Uaeaaug Human Eye Lens The above picture shows the defect of human eye; where the image of the long distance object is](https://cdn.numerade.com/ask_images/3a62f322ae1245a1abdb57e2cef9c227.jpg)
SOLVED: Image before (in-front) Retina Retina Long distance Object Coft Uaeaaug Human Eye Lens The above picture shows the defect of human eye; where the image of the long distance object is
![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
![Explain how an eye lens changes its focal length. How does it help in seeing near and distant objects? Explain how an eye lens changes its focal length. How does it help in seeing near and distant objects?](https://byjus-answer-creation.s3.amazonaws.com/uploads/7890Physics_62a9f5c38a09ec5f9ec41022.jpg_img_upload_solution_2022-07-29%2010:04:51.541812.png)