Available in nine strengths with signature packaging.  Each pair comes with a shamrock soft case.

These Shamrock readers have blue light tech.

Blue-light blocking glasses have filters in their lenses that block or absorb blue light, and in some cases UV light from getting through. Blue light from telephone and computer screens, has been shown to cause eye strain, headaches, and disruption to the body's natural melatonin production - the hormone that aids with restful sleep.