High Index Lenses are the heaviest lens material in common use, today. Generally it gives the better sight, which is more convenient to use and expand style of living choices, high index lenses are a good option for people who have strong prescriptions for myopia. Anti-reflective coatings used in the high index lenses helps to make the eye behind the lens more visible. Mostly the Optometrist recommends high-index lenses for those with spheres greater than +/-2. High-index lenses are much thinner and lighter than standard lenses and reduce the magnification of the eyes. It is a non-surgical procedure that involves wearing a series of specially designed rigid contact lenses to gradually reshape the curve in your eyes. High Index Lenses usually brings even greater benefits to contact lens wearers. Normally it measures your eyes to see what size and curvature would be best for your lenses, avoiding double vision and maximizing binocularity which gives you the clearest, most comfortable and most efficient vision.
High index lenses may not look much different with other lens. And it will be more brittle and likely to break if dropped. Aspheric lenses are often made of high index materials for the ultimate in thin lenses. These Lenses can be more reflective than the traditional Lenses, Most eyeglass wearers are nearsighted, which requires high index lenses that are thin in the center but thicker at the edge of the lens.
Type of Coatings;
Anti Reflective Coatings– These Lenses reflect more light than regular plastic lenses.Anti-reflective coatings can virtually eliminate the reflection of light from eyeglass lenses. It can also help when driving at night, in order to reduces glare and reflections.
UV Proof Coatings– It is extremely important to protect yourself from the long-term damages of UV rays from sunlight. adding a UV-blocking dye boosts UV protection to 100% for added safety.
Scratch Resistant Coatings– A scratch-resistant coating is a cost-effective investment in your eyeglasses. These lenses are extremely durable film is applied on the surface of the lens that protects the lens from scratching. An anti-scratch coating acts as a protective layer thus making the lenses more durable.
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