Anti-glare coating. This add-on, often bundled with high-index and HD lenses, eliminates reflections from the surfaces of your lenses. That means more light is able to get through, enhancing the quality of your vision by doing away with annoying distractions — such as glare and halos many people see when driving at night. It also improves the look of your glasses: By reducing the glare bouncing off the surface of your lenses, they look practically invisible.
The feature is not cheap (usually between $50 and $100), but worth every penny, says John Seegers, a licensed optician and creator of OpticianWorks, online training courses for opticians, who suggests getting the best coating you can afford. Higher-quality coatings are also less likely to get smudgy and scratched, and have better warranties on them, notes Andrea Thau, former president of the American Optometric Association.
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Where to buy glasses
Frames, which can range from a few bucks to hundreds or even thousands of dollars, can be a big part of your total cost. Whether you're looking for standard plastic or pricey titanium wire frames, it pays to comparison shop, says Seegers, who notes that there may be another other shop nearby selling the same frame for less. And when it comes to designer frames, know this: You'll shell out more, but that doesn't mean it's a better product. “In fact, it's most likely made on the same assembly line and from the same materials as a company's house brand,” he adds.
Online retailers:Companies like Zenni Optical, Warby Parker, GlassesUSA, and EyeBuyDirect have been giving the brick-and-mortar crowd a run for their money — especially during the pandemic, when many people would rather shop from home. Many have virtual try-on tools to help you get a good fit. (Warby Parker even allows you to try on five pairs at home, for free.) You can find a huge selection of well-made eyewear for under $150, though adding extras such as impact-resistant lenses with antireflective coating will drive up the price.
Online retailers can also be a good way to nab discount designer frames (GlassesUSA sells women's Prada frames for $145), as well as ridiculously inexpensive ones (a search on Zenni uncovered a $6.95 pair of basic prescription rectangle glasses with anti-scratch coating and UV protection).
Downside: You get what you pay for. If you're looking for glasses that you'll wear infrequently — maybe you usually wear contact lenses — a low-budget pair may make sense. But if you're going to be wearing your glasses full time, it pays to invest in a pricier pair and get professionally fitted. Check the return policy, in case you're not satisfied. Some online retailers offer no-questions-asked returns; others may offer up another pair instead. And be sure the website accepts vision insurance (not all do).
To buy online, you need a valid prescription and your pupillary distance (PD) measurement, which is the distance in millimeters between your pupils or from your pupils to the center of your nose bridge. This indicates where the company filling your prescription needs to place the optical center (or “sweet spot") of vision in the lenses, so you can see clearly. Many online retailers offer ways to determine your PD, including virtual eye exams. “There are also apps that will do that for you, and they're pretty accurate, but you shouldn't try doing a pupillary measurement on your own,” says Mike Vitale, a senior technical director and Lab, Lens, and Lens Processing & Technology Division liaison of The Vision Council, who suggests asking your eye doctor to include it as part of an eye exam.
