Compare before you choose

Compare ready-made reading glasses with prescription readers by eye power, astigmatism, fit and viewing distance, and know when to ask an eye-care professional.

How progressive, bifocal and reading lenses differ, who each suits, how long progressives take to adjust to, and what to check when ordering them.

Compare clip-on, fit-over and dedicated prescription sunglasses by frame compatibility, fit, UV specifications and how you prefer to switch into sunwear.

Compare photochromic and polarized lenses by how they respond to light, when each helps, how they behave in cars and why UV protection is a separate check.

The difference between UV protection and polarization, what UV400 and lens categories mean, and how to choose sunglasses for driving, water and everyday wear.

How daily disposable, two-week and monthly contact lenses compare for comfort, hygiene, cost and convenience, and what your contact lens prescription includes.

Learn what toric and spherical contact lenses correct, which prescription fields distinguish them, and why the lens must match your eye-care provider's fitting.