question about eye glasses prescription
i want to buy a pair of corrective swimming goggles, they go for like $15 - $20 on Amazon.com or other online retailers. On the order page, I need to give my diopter number, can anyone advice what mine would be given this prescription:
sph | cyyl | axis
od: -4 | -0.5 | 086
os: -3.5 | -0.5 | 095
nothing under ADD or prism
I know my visions are slightly different, I think I should go with the less negative number, is this correct?