Enter spectacle prescription ? Dominant eye: ? Right eye +16.50+16.25+16.00+15.75+15.50+15.25+15.00+14.75+14.50+14.25+14.00+13.75+13.50+13.25+13.00+12.75+12.50+12.25+12.00+11.75+11.50+11.25+11.00+10.75+10.50+10.25+10.00+9.75+9.50+9.25+9.00+8.75+8.50+8.25+8.00+7.75+7.50+7.25+7.00+6.75+6.50+6.25+6.00+5.75+5.50+5.25+5.00+4.75+4.50+4.25+4.00+3.75+3.50+3.25+3.00+2.75+2.50+2.25+2.00+1.75+1.50+1.25+1.00+0.75+0.50+0.250.00-0.25-0.50-0.75-1.00-1.25-1.50-1.75-2.00-2.25-2.50-2.75-3.00-3.25-3.50-3.75-4.00-4.25-4.50-4.75-5.00-5.25-5.50-5.75-6.00-6.25-6.50-6.75-7.00-7.25-7.50-7.75-8.00-8.25-8.50-8.75-9.00-9.25-9.50-9.75-10.00-10.25-10.50-10.75-11.00-11.25-11.50-11.75-12.00-12.25-12.50-12.75-13.00-13.25-13.50-13.75-14.00-14.25-14.50-14.75-15.00-15.25-15.50-15.75-16.00-16.25-16.50-16.75-17.00-17.25-17.50-17.75-18.00-18.25-18.50-18.75-19.00-19.25-19.50-19.75-20.00-20.25-20.50-20.75-21.00-21.25-21.50-21.75-22.00-22.25-22.50-22.75-23.00-23.25-23.50-23.75-24.00-24.25-24.50-24.75-25.00 ▾ Sphere 0.00-0.25-0.50-0.75-1.00-1.25 ▾ Cyl Dominant eye: Right Left eye +16.50+16.25+16.00+15.75+15.50+15.25+15.00+14.75+14.50+14.25+14.00+13.75+13.50+13.25+13.00+12.75+12.50+12.25+12.00+11.75+11.50+11.25+11.00+10.75+10.50+10.25+10.00+9.75+9.50+9.25+9.00+8.75+8.50+8.25+8.00+7.75+7.50+7.25+7.00+6.75+6.50+6.25+6.00+5.75+5.50+5.25+5.00+4.75+4.50+4.25+4.00+3.75+3.50+3.25+3.00+2.75+2.50+2.25+2.00+1.75+1.50+1.25+1.00+0.75+0.50+0.250.00-0.25-0.50-0.75-1.00-1.25-1.50-1.75-2.00-2.25-2.50-2.75-3.00-3.25-3.50-3.75-4.00-4.25-4.50-4.75-5.00-5.25-5.50-5.75-6.00-6.25-6.50-6.75-7.00-7.25-7.50-7.75-8.00-8.25-8.50-8.75-9.00-9.25-9.50-9.75-10.00-10.25-10.50-10.75-11.00-11.25-11.50-11.75-12.00-12.25-12.50-12.75-13.00-13.25-13.50-13.75-14.00-14.25-14.50-14.75-15.00-15.25-15.50-15.75-16.00-16.25-16.50-16.75-17.00-17.25-17.50-17.75-18.00-18.25-18.50-18.75-19.00-19.25-19.50-19.75-20.00-20.25-20.50-20.75-21.00-21.25-21.50-21.75-22.00-22.25-22.50-22.75-23.00-23.25-23.50-23.75-24.00-24.25-24.50-24.75-25.00 ▾ Sphere 0.00-0.25-0.50-0.75-1.00-1.25 ▾ Cyl Left ? +4.00+3.75+3.50+3.25+3.00+2.75+2.50+2.25+2.00+1.75+1.50+1.25+1.00+0.75 ▾ Add All calculations are based on an 11mm back vertex distance. Calculate