Color-coding of eyeglass and sunglass diopter strength is a wise strategy. It helps customers follow the thread of eyeglass strength across various frame styles. But is it as effective alone, or does it require an legend to help define the code? CLICK the thumbnail for an alternate view of these Foster Grant eyeglasses.

COMPARE directly to…
Foster Grants Shun Color Code
Color-Coding Without Color Legend

CONTRAST with legend-equipped display at…
Color-Coding Diopter Strength
Near-sighted not Color Blind

For other related color-coding SEE…
Color-Coded Sports Retailing
Color-Coded Prices at Shelf Edge
Color-Coded Pricing Signholder
Color-coded Savings.”
Color-Coded Product and Point-of-Purchase
Color-Coded Back Tags
Glass Shelf Overlay Offers Color-Coded Sign
Odd Label Holder Violates Silhouette
Glass Shelf Overlay Offers Color-Coded Sign
Plastic Uniweb Butterfly Hook Display
Color Code on Butterfly Hook
Shopping By Single-Color Numbers