How to protect your sunglasses well?

1.Wipe the lens with a eyeglass cloth and gently wipe the lens to avoid damage.
2.Don't use it at intense exercise,don't look at the sun or dazzling light.
3.While you don't use it,wrap the glasses with the glasses cloth and put into microfiber pouch,with the convex surface facing upwards.Also avoid contact with corrosive objects.