A well-known retailer of eyeglasses, Fytoo advertises its goods and services on fytoo.com. Other leading retailers of prescription eyeglasses, like EyeBuyDirect, LensCrafters, and Zenni Optical, are competitors of Fytoo. In the fiercely competitive internet eyeglass market, Fytoo sells mid-range buy size goods on both its own website and partner sites.