Does Pupillary Distance Have To Be Exact?

female student wearing white glasses

If you’ve ever ordered prescription glasses online, you probably know that along with your prescription, you need to provide your pupillary distance, or PD. But what happens if your PD isn’t measured accurately? Does it have to be exact, or is there some wiggle room? Here’s what you need to know about your PD and … Read more

What Are Safety Glasses Made Of?

what are safety glasses made of

You know that safety glasses are made to protect your eyes from potential hazards that can take out or injure your eyes. But have you ever wondered what they’re actually made of? Whether you need safety glasses for work, playing sports, or visiting the shooting range, it’s important to know that not all safety glasses … Read more