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It is known to all, how to distinguish the pros and cons and the left and right of contact
lenses is always been a headache for contact lens users. As a result, we designed
discernible lenses, users can distinguish the right and left, the pros and cons at a glance by recognizing the word of ‘right’ and ‘left’ and ‘pros’ and’ cons’ on the ontact lens.
Suhao Di Xin Liu Wenmei Zhang Simin Gan