Choosing eyeglasses is obviously following his taste, fashion and above all, we can enhance her face and eyes, not to mention his personality. One thinks color and shape, more rarely matter. Yet the choice to adapt the eyeglasses frames to its style of life is vast. The evolution of knowledge of materials is crucial for designers of glasses: no progress, we can not imagine the current choice of shapes and colors, nor the resistance mounts sometimes so elastic that can sit on without breaking them. Not forgetting the lightness of the “crutches” so comfortable to wear they arouse envy in those whose sight has no need.
Acetate and its derivatives are plastics of plant origin - wood, cotton - still used alongside various synthetic resins. Flexible working, plastics have enabled the diversity of forms and gave their resistance glasses. Those who like to match their dress appreciate the wide range of colors and brightness offered by acetate. Manufacturers increasingly rely alloys in order to associate the qualities of different materials to enhance comfort or strength. Thus, the lightness of polyamides - from oil - coupled with the mechanical strength of Kevlar is particularly suited to the turbulent activity of children. This combination supports indeed shocks and deformations, without keeping any traces or breaking.
Good old metal
Despite these advantages, enthusiasts prefer discretion metal, competition from plastics since the Second World War but never surpassed. The opticians who use it for a century now offer with finishes as carefully as varied brushed silver or brilliant cut, color print. The clumsy and all those who hate feeling pressure on the nose landslide titanium. As strong as light, this material admirably resists the ravages of time, as it is the only truly stainless. Hypoallergenic, it is also perfect for sensitive skin.
In the large family of metal frames, aluminum is not without strengths. Its lightness, impermeability, stability and resistance hinder or color effects or to be interesting. As for stainless steel, it offers its lightness, toughness and great aesthetic potential for low budgets in choosing cheap glasses or those who like to change their glasses like socks! Although it is very strong and resistant to heat, intensive sports fans should avoid it because of its rigidity prevents particular absorb vibration.
Contents Exception
For glasses exceptional, creative use natural materials. There are still frames in horn or tortoise shell, often tailor-made and always from existing equipment as the Washington Convention regulates international trade in shells. Branches leather, maple, ebony, rosewood, together with a face of another material, give a sophisticated look with the glasses the most sober. Lover’s stones and precious metals can even buy some models, part jewelry and part art, adorned with rhinestones, crystals or diamonds. Moreover, this season, the stylish wealthy find something new at Channel, the bezel accented with feathers so haute couture or embroidered.
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