Steroids do not improve vision.
Steroids
While the meaning of "improve" is ambiguous, HPPD causes distortions in vision that are typically distracting and bothersome. Thus, HPPD does not improve vision in any traditional sense of the word.
To improve your vision permanently and naturally, find good nutrition for your eye(take vitamins), and always stay hydrated.
Carrots, carrots are well known for improving eye vision.
Stop taking Steroids
Uh, no .
Eat/juice Carrots.
lasic eye surgery
It doesn't "improve" your vision. It allows you to see the real world in 3D - i.e. depth. Since primate eyes have a large overlap in field of vision, most of your world is 3D.
I wouldn't think so...but they improve mental skills
Yes, there are special ways to improve vision but they take time.
To help improve physical performance in a short amount of time with little to no effort