鲁达 
Dear Jee,
I'm sorry to hear that your eyesight is getting weaker and weaker .Here are some Useful and effective ways to prevent your eyesight from getting worse.
To protect your eyes,You are supposed to try to form the following good daily habits. Firstly,you should never read at places where don't have enough light,which can hurt your eyes a lot. Secondly, keep away from electronic products,especially cellphones,as much as you can. They are really harmful to your eyes. Thirdly, keeping on doing ey
Please take good care of your eyes.
Yours,
Jack