![Image formation in the human eye. A) When an object is observed at a... | Download Scientific Diagram Image formation in the human eye. A) When an object is observed at a... | Download Scientific Diagram](https://www.researchgate.net/publication/323073291/figure/fig5/AS:614206864900099@1523449736705/Image-formation-in-the-human-eye-A-When-an-object-is-observed-at-a-large-distance-a.png)
Image formation in the human eye. A) When an object is observed at a... | Download Scientific Diagram
![The focal length of a normal eye-lens is about:$(a){\\text{ 1mm}} \\\\(b){\\text{ 2cm}} \\\\(c){\\text{ 25cm}} \\\\(d){\\text{ 1m}} \\\\ $ The focal length of a normal eye-lens is about:$(a){\\text{ 1mm}} \\\\(b){\\text{ 2cm}} \\\\(c){\\text{ 25cm}} \\\\(d){\\text{ 1m}} \\\\ $](https://www.vedantu.com/question-sets/23766a8b-704b-4a02-9898-45078c04e63b6462374204689754885.png)
The focal length of a normal eye-lens is about:$(a){\\text{ 1mm}} \\\\(b){\\text{ 2cm}} \\\\(c){\\text{ 25cm}} \\\\(d){\\text{ 1m}} \\\\ $
![Figure(a) shows the basic structure of a human eye. Light refracts into the eye through the cornea and is then further redirected by a lens whose shape (and thus ability to focus Figure(a) shows the basic structure of a human eye. Light refracts into the eye through the cornea and is then further redirected by a lens whose shape (and thus ability to focus](https://haygot.s3.amazonaws.com/questions/1780567_e41b64923de94c67a79dbd4c353791db.jpg)
Figure(a) shows the basic structure of a human eye. Light refracts into the eye through the cornea and is then further redirected by a lens whose shape (and thus ability to focus
![A convex lens in a human eye adjusts its focal length based on the object position. If it can form a clear image on retina for objects as close as 25 cm A convex lens in a human eye adjusts its focal length based on the object position. If it can form a clear image on retina for objects as close as 25 cm](https://df0b18phdhzpx.cloudfront.net/ckeditor_assets/pictures/1661885/original_Picture11.png)