Web1.74 high index lenses are the thinnest possible lenses on the market today. The 1.74 represents the lens index number. High index lens numbers typically range from 1.53 to 1.74. Conventional plastic lenses, for instance, have a refractive index of 1.50. As the number increases, the lenses become thinner. WebHigh 1.74 Index Progressive Lenses For those who want ultra thin lenses, purchasing 1.74 high index progressive lenses could be the perfect choice. These lenses offer bifocal vision without the thick lenses and have many benefits to offer to those that wear them. What Are 1.74 High Index Lenses?

High 1.74 Index Progressive Lenses - High Index Lenses

WebFrom progressive lenses to 1.74 high index lenses, the sheer amount of choices in itself requires sometimes significant research. Once you conduct this research, you tend to … WebLight-responsive. Color options available. These lenses transition from fully clear to a darker tint (choose from grey, brown, or green) when exposed to UV rays, preventing eye strain and reducing glare. They also protect your eyes from 100% of UVA and UVB rays and filter more blue light from the sun and screens than our classic lenses. gds service standards in discovery

Progressive High Index Lens Replacement LensFactory

WebTRANSITIONS XTRACTIVE HI INDEX PROGRESSIVE LENSES (1.67)/1pair. Alternative Views: List Price: $629.00. Our Price: $309.95 CURRENTLY UNAVAILABLE. Savings: $319.05. Price with Selected Options: $309.95. WebLenses of index nd = 1.5, 1.6, 1.7, 1.8 and 1.9 are used for single-vision, solid bifocal, and progressive prescription requirements; another range of high-index barium glasses is … WebProgressive (no-line bifocal) lenses are ~30% thinner than regular plastic lenses. New HD digital distortion-freeform technology. These photochromic, light adaptive lenses with … gdss glasgow dyslexia