Why do people’s eyes change to the point that they need glasses? What’s causes an eyeball in a young, healthy individual to lose its clarity?

Question

Why do people’s eyes change to the point that they need glasses? What’s causes an eyeball in a young, healthy individual to lose its clarity?

In: 2

Answer 1

There are a lot of different factors that can effect eyesight. For example, as someone has already said, the lens in the eye can loose its flexibility.

Another way people may need glasses at a younger age, around 6-13ish is shortsightedness. This is caused by your eyes growing to be slightly too long which can happen because of low levels of sunshine, not enough time looking at things far away, or puberty