Answer:
Have you considered duck tape? If you leave it on long enough it creates the same effect, just you know without blood. You don't have to answer this, but are you using cutting as a kind of outlet? Or for different reasons such as self hate? If you also don't mind me asking, do you cut daily?
Nearsightedness is corrected with concave lenses.
Farsightedness is corrected with convex lenses.
Each one can affect mental health. All of the above is correct answer.
