A famous and safe lens company NEO has been founded in 1993 and successfully developed until now.
The reason why they are safe and comfortable is that they have their patent technologies : N/S Technology, 3 Curves
It is a new technology to manufacture lens. Using safe ink between lens layers, the color ink can not be removed or changed by rubbing so that the ink does not go into your eyes as well.
While there are only 2 curves on len, NEO lens have 3 Curves on lens so the edge of the lens does not damage your eyes anymore.
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