There are lots of methods for you to enhance peripheral vision .Improve peripheral vision by strengthening your eyes with simple exercises.
So here let me name a few.
The easiest and most convenient exercise is computer exercise. While working at your computer, occasionally notice the areas surrounding your computer screen, such as the desk, wall or objects, while looking straight ahead. Wave your hands on either side of your face as you look at your computer screen and notice on your hands using your peripheral vision.
The other one is partner exercise, choose one person, Use your peripheral vision, and when the hand comes close into your vision, grab it. Have him do this several times while alternating sides.
On top of that, walk without glasses would also help.