Is Laser Operation Is Good To Remove Spectacles What Is The Meaning Of This Term : R -0.25 - 1.50 * 50 , L +0.25 - 0.50 *56?

What is the meaning of this term : R -0.25 - 1.50 * 50 , L +0.25 - 0.50 *56? - is laser operation is good to remove spectacles

Hello friends, I undergo laser surgery to remove his glasses. I is taken to hospital after regular intervals to check my eyes. After checking my eyes, said he is not on my card and told me that I am making progress. Not everybody does not know the meaning of above. If yes, please explain to me, Thanks