Do these glasses have a prescription?

No. They are non-prescription blue light blocking glasses, so they won't correct nearsightedness or reading vision.

What do the lenses actually filter?

They are blue light blocking lenses meant to cut some of the blue light from screens. They are not sunglasses and won't darken outdoors.

It is a full-rim rectangular frame in adult sizing. Rectangular shapes tend to balance rounder faces; try them on if you have a narrow face.

Yes. With no prescription in the lenses, they work as an overlay for contact lens wearers at the desk.

Wipe the lenses with a microfiber cloth and clean the frame with mild soap and water. Avoid alcohol cleaners, which can dull the pattern.

At Designer Optics, for $245.08, as of our latest check.

$245.08at Designer OpticsChecked Nov 11

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