Is it possible to improve vision?

Yes: There are ways to improve your vision from dietary and vitamin supplements, to corrective lenses, to laser surgery, to implantable lenses. Many options can be specific to your needs or particular problem. Follow with an eye doctor for evaluation.

Improving vision?: It is possible to improve some visual problems and some of them may not be able to be ameliorated. The best thing to do is to go to an ophthalmologist (o) and discuss any vision problems with the o to get a better answer in your particular case. Good luck.