Glasses are the most visible accessory that you own, so shopping for the right pair can be particularly loaded. If you probably spend hours looking for the right couple, you probably want to do it at home.
Warby Parker has made a name for people to do that, but there are plenty of alternatives. Some offer inexpensive options that can be sent to you, and others allow you to model virtually designer pairs.
With these sites you can search for frames and lenses at home. And since you will be staring at your screen while you are doing this, we have taken note of services that offer blue light filter lenses, which may reduce eye strain.