: Many large retailers carry Essilor brands like Varilux.
: Often the best source for personalized care.
: Most Varilux lenses have a near-invisible laser mark.
Your provider (e.g., VSP, EyeMed)
: Look for the "Essilor Expert" badge in-store.
: Optometry school clinics often stock high-end lenses. Why You Must Buy In-Person
: Always ask for the official certificate of authenticity.