ZEBRIANA computer glasses with amber lenses block 4x more harsh screen light compared to blue cut clear lenses.

University of Toledo scientists conducted a research on amber lenses and it was found that they block a significant amount of blue light and also improve sleep quality. 

It normally takes 1 day for processing and approx. 3 days in transit. This varies from location to location.

Yes. Return/ Replacement / Exchange can be done within 7 days from the date of delivery. Progressive/Prescription glasses are non-returnable but issues can be fixed (if any).

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