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“