The selection of a Single Vision Lens (SVL) material is the critical factor determining a pair of glasses' optical performance, wearing comfort, and durability. Professional lens m...
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Modern progressive lenses are seldom absolutely hard or absolutely, soft but rather strive for a balance between the two in order to achieve a better overall utility. A manufacturer may also choose to employ the features of a softer design in the distance periphery in order to improve dynamic peripheral vision, while employing the features of a harder design in the near periphery in order to ensure a wide field of near vision. This hybrid-like design is another approach that sensibly combines the best features of both philosophies and is realized in OptoTech‘s MD progressive lens design.
The selection of a Single Vision Lens (SVL) material is the critical factor determining a pair of glasses' optical performance, wearing comfort, and durability. Professional lens m...
READ MOREThe core distinction between Single Vision Lenses (SVL) and Multifocal Lenses, specifically Progressive Lenses, lies in their fundamental optical design philosophy and how they add...
READ MOREIntroduction In today’s digital world, we’re constantly exposed to screens—whether it’s our smartphones, computers, or televisions. While technology has undoubtedly enhanced our li...
READ MOREIntroduction of Blue Light What exactly is blue light and why should we care about it? Blue light belongs to the high-energy visible (HEV) portion of the light spectrum and is emit...
READ MOREIntroduction to Single Vision Lenses What are Single Vision Lenses? Single vision lenses are a type of prescription lenses designed to correct one type of vision problem in a singl...
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