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Premium Single Vision Lenses
Freeform production enables RX Ethereal lenses to be surfaced flatter and thinner than other lens options. As the lens produces less magnification the cosmetic appearance is enhanced. Vision through the optical centre is sharper and peripheral vision is optimised as a result of the freeform surfacing process.
Freeform technology permits direct surfacing and makes it possible to grind the front and back sides of a lens blank as required to produce sophisticated lens designs. A computer numerically controlled (CNC) freeform generator creates the lens surface according to the desired parameters, which may include optic influencing variables beyond the usual sphere cylinder and axis of the prescription. The lens is then polished using a computer- controlled “soft sponge” system to ensure optimal clarity is achieved while maintaining the integrity of the surface curves.
RX Ethereal Beauty
Where the cosmetic appearance is the most important issue, the thinning technology used in the production of this range offers an aesthetic option previously out of reach for some patients. RX Ethereal Beauty lenses can be between 15% - 30% thinner giving a look only dreamed of before.
Traditionally a number of prescriptions are covered by one base curve but that base curve is optimized for only one prescription. Using Freeform (Digital) technology you can optimize each individual prescription. This will virtually eliminate power errors and result in a superior look, clarity, performance and satisfaction.
RX Ethereal Spherical
Tailor made spherical lenses provide a specific solution for plus powered patients. Flatter surfaces are produces that reduce the centre thickness of the lens. Freeform production improves the clarity of the optical centre and peripheral vision.
Digital technology will change the way you see forever. Freeform manufacturing processes use computer aided design and surfacing to create a customized lens specific to your visual requirements.
RX Ethereal Aspherical
Aspherical freeform lenses are perfect for minus powered patients. A greater base curve is induced improving peripheral vision and the optical performance is greatly enhanced. Compared to conventional lenses the edge is thinner and more aesthetically pleasing.
The most popular type of high-definition lenses are called freeform. The term ‘freeform’ refers to an advanced manufacturing process that reduces higher-order blurring such as spherical blur that occur in lenses created with traditional spectacle lens manufacturing tools and processes.