When you buy through our links, Business Insider may earn an affiliate commission. Learn moreEditors Sally and Amir in their Zenni glasses.Sally Kaplan/Amir Ismael/Business InsiderZenni is arguably the most popular and well known online retailer for prescription eyewear — and for good reason. The brand is revered for its super affordable prices, easy-to-use shopping experience, and lens options for every imaginable use.As two editors who have tested nearly every other online glasses retailer, we tested Zenni to see if it lives up to the hype.