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"Hong Tai Optical" with many years experiences in sun lenses development, we catch the fashion & popular colors, and develop for "short-gradient" tinted technology which is difference with traditional tinted lenses to achieve the best quality gradient sun lenses.

Patent Pending ...
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The gradient sun lenses are major styles for sun glasses. As the gradient sun lenses with dark section, gradient section and colorless section which the dark section with blocked the sunlight for sunglass purpose; the bottom of colorless section is mainly used for seeing something clear such as indoor; the gradient section have multiple effects. Therefore, the gradient sun lenses are become the first choice for fashion sun glasses.
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However, production the high quality of gradient sun lenses is a science technology, as the gradient color should be very natural without faults. It can not be obviously visible in between dark section and colorless section, the distance in gradient section should be short; otherwise, the lenses will be solid color after cutting lens shape.
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Hong Thai Optical is using the new computerized dyeing facilities to production "Short-Gradient" sun lenses which are the latest tinted technology. We make the lenses with short-gradient to looks naturally and fashionably.
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Please contact us for the most popular "Short-Gradients" colors.
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