Choosing the Right Lens Materials Can Help Your Patients See a World of Difference
Today, there are many high-index lens materials available and choosing the right one can be a daunting task. Thin&Lite 1.67 simplifies that task by providing enhanced visual performance via the most cosmetically appealing and technologically advanced designs possible.
Essilor understands that patients with mid-to high-level prescriptions are looking for durable, lightweight lenses that accentuate their personal appearance. In a recent study, 75% of patients with strong corrections reported a desire for more attractive and discreet eyewear. Thin&Lite 1.67 lenses are available in aspheric designs that provide sharper vision from a visibly flatter surface, proving that form and function are not mutually exclusive concepts.
Essilor also understands that every patient has specific needs. The benefits of Thin&Lite are manifold: reduced magnification for complex prescriptions, 100% protection from UVA and UVB transmissions, rimless or drill-mount frames for thinner-looking lenses, and wide availability, offering compatibility with Essilor lenses such as Varilux®, DEFINITY®, Crizal®, Transitions®, and Xperio®.
Thin&Lite High-index Lenses Offer True Optical Asphericity
High-index lenses have flatter curves than their lower-index counterparts for a reduced lens profile. A flatter curve, however, can cause off-axis blurred vision. To compensate, Thin&Lite incorporates optical aspheric technology into the lens design. This results in a change of dioptric value, which reduces optical aberration in the periphery of the lens. Not all aspheric lenses are created equal. Thin&Lite delivers the industry's most advanced optical performance in a flat design while preserving cosmetic appeal.
Thin&Lite 1.67 is the ideal choice to help your patients see a world of difference in their lenses by providing enhanced visual performance and comfort.
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As every practitioner knows, the Snellen chart provides only limited information about how well a patient sees. The optimized light, high contrast, static conditions of the exam room, and the patient's straight-ahead gaze bare little resemblance to the varied visual challenges that single-vision lens wearers encounter in daily life.
For many single-vision lens wearers, particularly those with significant spherical and/or cylindrical refractive errors, vision through the periphery of the lens is not as good as it is through the center. Similarly, many of these patients enjoy good vision in daylight but report much lower satisfaction with their vision in low-light situations, such as when driving at night.
Essilor, one of our connected suppliers, has applied wavefront aberrometry and advanced digital surfacing technology to address these issues. A breakthrough redesign of a spherical single-vision technology, the Essilor 360°™ lens, reduces or eliminates the aberrations that can limit the sharpness and quality of a patient's vision. As confirmed by optical bench testing and a comparative wearer test, Essilor 360°™ lenses provide sharper vision, a larger area of clear, aberration-free viewing, and improved contrast in low-light conditions. In addition, personalized/individualized versions of the 360 lens, including frame parameters and the Eye Rotation Center are available with Essilor FIT™ Single Vision and Essilor eyecode™ Single Vision, matching the Varilux availability.
Essilor adapted wavefront technology to measure and correct the higher order aberrations that limit the optical performance of progressive addition lenses.
These wavefront-corrected designs provide better acuity and expanded fields of vision at all viewing distances as well as improved vision in low-light conditions. Now, the same is being done for single-vision lenses. Currently, wearers of single-vision lenses achieve their best results only under normal lighting conditions and when looking through the central portion of the lens. However, in dim light or when patients look toward the outer edge of the lens, quality of vision is often diminished, with peripheral aberrations being particularly problematic for patients with high corrections.
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