Bifocal sunglasses have developed immensely up to now decade. With a broad range of sophisticated plastics and a fair broader range of fashions available, it may be intimidating to shop for bifocal sunglasses. Study a few key factors relating to the totally different plastics and available styles earlier than you start your shopping.
The Best Materials for Your Bifocal Sunglasses
While the commonest plastic for contemporary bifocal lenses has turn into CR-39 and it is an excellent plastic with implausible optical qualities, it may not be the best wager for your bifocal or prescription sunglasses. When you plan on wearing your bifocal sunglasses while active and moving about in a rigorous method, you will have a greater risk of spilling your shades and breaking them apart. For this reason, more durable plastics reminiscent of polycarbonate or trivex may be more appropriate on your shades. Bifocal shades made with these plastics will be each lighter and more proof against cracking or shattering.
You might still investigate sunglasses made with CR-39 as plastics and development with such plastics are evolving at quite a pace. Nevertheless, in case you plan to be really active, just keep in mind that sacrificing a little optical quality for durability may very well be safer and more cost-efficient for you over the long term.
Get The Right Fit For Your Prescription Sunglasses
One other difference it’s best to consider when shopping for bifocal sunglasses compared to plain bifocal reading glasses is the fit. In most cases, you will be wearing such prescription sunglasses outdoors and in more active environments than your bifocal reading glasses. So I counsel you go for a more comfortable fit on the nostril and around your ears. You probably also need your sunglasses to fit nearer to your eyes than your bifocal reading glasses to help with shading the sunlight.
Along the same line and referring to my previous comments about plastic, you probably want a lighter weight for your wayfarers than on your bifocal reading glasses.
Brand Name Bifocal Shades
One final level: in the event you’re integrating your prescription into your sunglasses, I encourage you to consider brand names even for those who’re attempting to save lots of money. While budget models could be nice in their own right, bigger firms often have better flexibility and capability to supply beneficiant and thorough warranties. So go ahead and treat yourself to Ray Ban Bifocal Sunglasses or even Oakley Bifocal Sunglasses.