E-SPF and UPF – most likely, are necessary for you these solar filters

SPF abbreviation becomes especially demanded in the summer. Today we know about SPF much more, than 5 years ago. We know what indicator of SPF should be looked for for the skin, we buy the most effective novelties with this filter … And how about a new abbreviation - "E-SPF" and "UPF"? Do you know something of it?

What is E-SPF

E-SPF is Eye - SPF (or Eye-Sun Protection Factor) and if to translate literally, then it "a factor of protection against the sun for eyes". E-SPF represents special sun-protection function which supplies glasses lenses. And, not only sunglasses, but also usual, with dioptries mean.


Need for creation of such system of protection ripened long ago, and development of the cosmetic industry and new standards of cosmetics which demand obligatory existence of sun-protection filters in the products intended for day care and a make-up pushed.

The scale of E-SPF is extremely simple: the it is higher than a figure near an abbreviation, the protection against ultra-violet radiation is higher. Thus, it is possible to choose that filter which suits requirements of your eyes and skin.


An inventor of E-SPF is the manufacturing company of glasses lenses. And for sceptics it is possible to note the fact that the efficiency of Eye-Sun Protection Factor technology is encouraged by researches which are conducted by the third party which is not connected with the manufacturing company of this filter.

How does E-SPF work?

The numerical designation E-SPF works as well as the numerical designation SPF. That is, the figure which costs near E-SPF designates how much protection against the sun increases. For example, existence of E-SPF 25 wearing spectacles designates that your eyes will be protected 25 times better, than wearing spectacles, not supplied with similar technology.


In fact, the E-SPF filter is a covering which connects to material of lenses. Transparent lenses with dioptries can be covered with E-SPF at most up to 25, excess will change transparency of glass. And dark lenses have the maximum protection to E-SPF 50.


This fact says that existence of this filter on points with dioptries does not mean that you can refuse dark glasses. If you buy glasses for the summer period, then choose the big level of protection, and dark glasses which you wear in the winter or in rooms can be limited to the minimum E-SPF 5.

It is interesting that the E-SPF filter covers not only outer side of lenses, but also lenses from within that allows to prevent the reflected sunshine, protecting eyes from the beams falling on lenses at any angle.



What is UPF?

One more kind of the sun-protection filter – UPF (Ultraviolet Protection Factor). It is the filter for fabrics. Special polyester thread is interwoven into various fabrics, material with protection against ultraviolet rays as a result turns out.


UPF shows what quantity of ultraviolet rays this fabric blocks. For example, UPF 30 designates that only 1 of 30 UV beams gets through fabric. The maximum indicator of UPF UPF 50+ is considered today. This filter passes every 50th beam of ultraviolet. The minimum level of UPF – 15.


This technology found the application in a kidswear and also clothes for the beach and summer sports, such as surfing. The clothes with the filter became irreplaceable for the people very sensitive to sunshine.


How to introduce new filters in the life?

It is very simple! Ordering glasses at the optician, or buying sunglasses, be convinced that they have the sun-protection filter. Do not limit protection of eyes only to dark glasses, let and your points with dioptries will be supplied with the necessary filter.

And the clothes with the filter are on sale in sports shops, there are also lines of casual fashionable clothes offering new technologies. Popular fashion lines with UPF are on sale in shops Nike, Uniqlo, Solumbra, J Crew, Parasol, REI, Coolibar, others.


Look for, buy, try!