Hi, i use eye glass 1.5 astigmatism , when i use my double vision is gone, without glass i have a bit double vision, normal?

Yes : You have astigmatism & for your Vision to be best corrected to see well, your eyes require a prescription to accomplish this. You probably have either farsightedness or nearsightedness & astigmatism, so in order for your vision to be the most clear, a prescription for both is necessary. Astigmatism generally causes image blur as a Second image that doesn’t superimpose with the other image (double