Hummingbird Hues 

We are a Colorado-based business, who manufacture and sell a wide variety of optometry equipment, syntonic color therapy and vision therapy products.   
Syntonic Portable Light Units ~ Visual Field Charter and Supplies ~ Vision Products for Kids ~ 
Syntonic Filter Goggles ~ Syntonic Filter Glasses ~ Eye-Themed Gifts ~ Eyeglasses ~ Sunglasses ~ 
Books and Resources ~ Vintage Optical Collection  ~ Syntonic Light at Home Units