Increase Clarity. Increase Contrast. See Farther. Copper and Gold HD lens bifocal reading sunglasses were made popular by golfers to help see the golf ball hundreds yards away in the air and on the fairway.
These High Definition or HD lenses filter out the blue light in the UV spectrum. Blue light causes haziness and obscures vision, resulting in eye strain and permanent damage to your eyes. Blue light exposure increases the risk of ocular degeneration. Blue light penetrates all the way to the retina (the inner lining of the back of the eye) and can potentially damage the light-sensitive cells in the retina.
You have probably heard of the negative health effects of blue light emitted by smart phones and tablets. These HD Bifocals eyewear eliminates blue light making it safer to look at computers and handheld devices.
Available in +1.00, +1.25, +1.50, +1.75, +2.00, +2.25, +2.50, +2.75, +3.00 +3.25 +3.50 and +4.00 powers.
These bifocal sunglasses are available in only ONE size,but may fit men and women differently. For MEN, these will fit Small to Large head sizes. For WOMEN, these will fit Medium to Large head sizes. So, these glasses will fit women slightly larger.