If you don't have astigmatism, this column will be left blank. The ADD column of your glasses prescription indicates any additional lens power your eyes require to read comfortably. It can be used ...

Need new glasses? Online eye exams and vision tests offer a convenient way to get a glasses prescription. Doctors explain ...

New research leads to a prolific variety of options for prescription glasses, many of which are available online. Here are a few examples of highly specialized prescription lenses – some that ...