The diopter strength of these sunglass readers is color-coded on the package, but no color “legend” is provided as explanation. Is this an exercise in futility? I say no. If you find a reader strength that works for you, reader frame styles with the same color code will satisfy your vision requirement too. Figuring it out only takes a second. Still, free space at the top of the display could be used for the legend as an added hint and extra procedural reinforcement. Fixturing is an easy-assemble corrugated trapezoid with Plastic Butterfly Display Hooks.

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Foster Grants Color-Coded
Near-sighted not Color Blind
Color-Coding Diopter Strength

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

For a broader perspective on color SEE…
Psychology of Color in Purchases

For all Butterfly Hook topics SEE…
Metal Butterfly for Metal Perf” (This Post)
Card Wobble on Butterfly Hooks
Custom Implementation of Back Labeled Butterfly
Butterfly Hook Up-Close and Personal
Back Labeling Butterfly Hooks
Color Code on Butterfly Hook
Hybrid Grid Hook Now For Pegboard Too
Slide-in Butterfly Plastic Hook
Color-Coding Without Color Legend
Tea-Bag-Size Pouch as Back Tag
Butterfly Corrugated Hook Closeup
Removable Butterfly Hook Scan Arm
No-See-Em Butterfly Hook for Jewelry
Plastic Uniweb Butterfly Hook Display
Butterfly ICC Kaizen Is Multi-Use?

For a visual Pinterest Board summary see…
Hooks: Butterfly Display Hooks in Retail