Let’s go with A ..that must be the answer
Yes, as it can help out in sticky situations. For example, out hiking and a snake bites you, you will know how to limit the poisoning.
The lens helps the eye to focus on images.
"The Lens. The lens is composed of transparent, flexible tissue and is located directly behind the iris and the pupil. It is the second part of your eye, after the cornea, that helps to focus light and images on your retina."
i need the statements mate