After hundreds of years’ progression and advancement, the eyewear world has been filled with a very huge variety of eyeglass types and associated styles. According to functional complexity, all types of eyeglasses can be classified into two groups. Each pair within the first group offers a single form of vision correction or eye protection. And the other group contains lots of types of eyewear products that provide multiple functions. Bifocal safety glasses fall into the latter group. There are similar eyewear designs or products that have been invented or developed in a combinational way. The fundamental approach to such kind of innovation is to combine different functions provided by those designs belonging to the first group together. For instance, prescription sunglasses have been brought into existence by those who simply combined the function of vision correction offered by regular prescription glasses and UV protection enabled by traditional sunglasses.
Another comparable example to bifocal safety glasses is prescription goggles. This creative entity incorporates both the function of regular prescription eyeglasses and the functionality of goggle eyewear. While vision correction brought by traditional prescription spectacles is simple, its combination with eye safety ensured by goggles involves more complex design and manufacturing process. Over the years, prescription goggles have helped lots of athletes in fields like motor cycling protect their eyes while seeing distance objects in the surrounding environment clearly.
A common point among most of the combinational eyewear products is that they usually take vision correction as a necessary part. This is also true for bifocal safety glasses. Its name suggests obvious functionalities provided by this type of spectacles, in quite a similar way as prescription sunglasses or prescription goggles do. Bifocal safety reading glasses will basically provide both “bi-vision” correction and eye safety ensuring. It is clear now that vision correction is also a necessary element in these eyeglasses. Compared with regular prescription goggles, bifocal safety reading glasses do offer extra benefits.
C: bifocal safety glasses made with a unique design combine the function of vision correction and the functionality of eye protection. They do more work than prescription goggles.
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