Choosing the right eyeglass lenses can make a major difference in how clearly and comfortably you see throughout the day. Two of the most common lens options are single vision lenses and progressive lenses, but they are designed for very different visual needs. If you...

When choosing a new pair of glasses, most people focus on the frame: the shape, size, color, material, and how it looks on the face. But there is another measurement that plays an important role in how well your glasses work: interpupillary distance, commonly known as...

You leave the optician with a new eyeglass prescription in your hand. Then you look at it. SPH. CYL. AXIS. ADD. PD.Plus signs. Minus signs. Numbers like -2.00, +1.25, and 175. For something designed to help you see more clearly, an eyeglass prescription can look...