: Your prescription can change. Retailers like 1-800 Contacts and Eyeconic have generous windows (up to a year or more) for returns of unopened boxes.
: Includes the ExpressExam for $20, a virtual prescription renewal that takes less than 10 minutes. best place to buy contacts online
: Consistently offers some of the lowest prices online, though savings often come via mail-in rebates that require extra effort to process. : Your prescription can change