Answer:
Not enough information is given but my mom is in the medical feild and she says that a condition common with age is presbyopia. It causes the leanses in your eye to become less flexable and less able to thicken therefore less able to focus on near by objects. Another is catteracts which I assume you already know about so I will not explain.
Explanation:
You are at a lower risk for certain diseases and you will save more money
Answer:
It means very determined, like you have a goal, and you are going to complete it. Even if you mess up you keep trying over and over again.
Explanation:
