If you have glasses, you know the routine. After a few health tests, the optometrist puts you behind a machine where he sees how well you can see through multiple lenses. During that time, you have to answer questions like "lens one or lens two?" However, there is often little to no differences between the lenses. If that happens to you, you are not alone. Many people have issues determining which lenses are the best. Luckily, there are other tips that can help you find the best prescription for your eyes. Please explore this blog on optometry and make your next visit to the optometrist a success.