They come in at £66 / $82.10 / €79.25 for the most expensive crystal / photochromic option, with the non reactive pairs even cheaper, lining them up well for a spot in our guide to the best cheap ...

A progressive lens design is like a bi- or tri-focal lens in that it corrects more than one vision problem at a time. However, these lenses have no visible lines, improving the cosmetic appearance of ...

Both prescription sunglasses and transition lenses can correct your vision while blocking rays. Depending on your needs, one may be better suited for you than the other. Transition glasses ...

Zenni Optical is offering 20% off blue light and photochromic lenses until Sunday, March 16. The sale includes popular lens options like EyeQ and Transitions. Shoppers can get free standard ...

Now, researchers have developed a doped photochromic glass that has the potential ... by the sun and then shift back to a colorless lens indoors when no longer exposed to those light waves through ...

So that drives the cost of the lenses up a bit. To offset the expense, I pass on extras including anti-glare and photochromic lenses. That’s my first savings tip. Here’s what else I learned in ...

Now, researchers have developed a doped photochromic glass that has the potential to store ... to wavelengths of light emitted by the sun and then shift back to a colorless lens indoors when no longer ...