What are Bifocal Lenses?
Bifocal lenses are prescribed for patients who need two different distances power and near power powers. Most eye doctors recommend the Online or Varilux progressive lenses that provides intermediate vision as well. Wondering about Varilux progressive lenses prices? Lined bifocals continue to be popular as an alternate but there may be a jump in vision when focusing from distance to near.
What is Fashion Tint?
Fashion tint is a dye applied to the lenses. If you want, a light tint of gray, brown, blue, yellow, pink, green, lavender or rose can be added to your lenses for style or comfort.
What are Hi-Index Lenses?
Hi-index lenses are a special material that is thinner and lighter weight than regular plastic. Depending upon the prescription, the lenses are thinner by about 30% and lighter in weight by about 25%. This material can lessen the sharpness of vision slightly, but the application of an anti-reflective coating takes care of this problem. Check our high index lenses cost to see if this lightweight option is right for you.
Can you give me information about Lenses that Darken in the Sun?
There are two types of lenses that darken automatically in the sun: Photogrey (or Photobrown) Glass lenses or Transitions lenses. Photogrey Lenses need some "curing in" time. Transition lenses cost slightly more but are available in plastic, hi-index, or polycarbonate materials and do not require a breaking in period. For people who are light sensitive or spend a significant amount of time in the sun, prescription sunglasses are recommended.
What are Polarized Lenses?
Polarized lenses are highly recommended for reducing horizontal surface glare. This is the glare that fishermen, boaters, swimmers, and skiers see on the water or snow. Polarized lenses benefits include safer driving by reducing road glare. Polarized lenses with a back surface anti-reflective coating are incredibly comfortable sunglasses.