Online guide for lenses and treatment used by giarre.com > Hi-Sun Overcut
Hi-Sun OvercutOphthalmic 8-based lenses, carried out through Overcut technology, have been especially thought for those who like wrapping shapes for both eyewear glasses and sunglasses, either because they play outdoor sports or because love to follow the latest trends. Overcut is an innovative and revolutionary computerized workcentre with digital check, thanks to which precision becomes "Absolute"; it also allows the fitting of ophthalmic lenses in any type of sunglasses. It is Overcut exclusive prerogative to be able to measure the thickness of the just-cut lens with millimetric precision and above all to be able to measure and visualize the spatial expansion of the surface, which will be chamfered. With overcut, the technical features of the shaping will perfectly fit into modern frames.
- Subtle cello/acetate sunglasses can house negative lenses without deforming the frame, avoiding the consequent widening of the lenses.
- We can make 8-based glasant keeping the perfect shaping of the lenses, as well as the inclination of the puncturing angle required by the front and the bridge.
- The edges of nylor fittings will be reproduced with extreme precision, leaving the charming designs of the most prestigious frames unchanged.
- Wide 8-based glasses will have shaped lenses with a so precise chamfer as to follow exactly the frame profile without causing the unaesthetic coming out of the eyebrows.
Anti-reflex: All Hi-Sun lenses with Overcut technology are provided with anti-reflex treatment on the inner surface of the lens itself, in order to make it more effective in situations of high reflection, such as during outdoor sport activities: the anti-reflex membrane has seven layers for each surface, and is resistant to abrasions and waterproof.
When the degree of envelopment of the sunglasses make it necessary, dioptric strenght is recalculated taking into account the panoramic inclination and the interpupillary distance. The calculation algorithm has been reckoned in collaboration with: Padova University of Studies, Laboratory for Ultraviolet and X-ray Optical Research, National Council for Research.
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