1.50 Single Vision Lenses

With its inception in 2005, Keralopticals.com may be the first and longest serving successful online optical store in India. HEre’s a fun fact, CR-39 gets its name since it was the 39th formula of a plastic developed by the Columbia Resins (hence “CR”) project in 1940. It had been first used to help create glass-reinforced plastic fuel tanks for the B-17 bomber in World War II. Zenni offers several different lens index options from thickest to thinnest. Lenses that have at least a depth of 30 mm to cover the various fields of vision that come with multifocal lenses. We make the hardest-working, highest-quality Blue Light eyewear. Based on the feature, quality and price, it

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While both regular and high index lenses function just as, high index lenses are made to bend light more efficiently — resulting in thinner and lighter lenses. In case you have a medium or strong prescription, you need a high-index lens to help keep your lenses thin. High-index lenses have good optical clarity, 100% UV protection, and excellent durability. All three lenses are made with similar materials, so the choice of index comes down to your prescription strength. The idea of double concave lenses is to achieve thinner lenses for high minus powers. Both front and rear surfaces of the lenses are concave and aspheric in design, thus giving flatter curves to lessen the edge thickness by approximately 35%.
Super Thin 1.6 index lenses are up to 20% thinner and lighter in comparison to 1.5 index lenses and are ideal for full rim or semi-rimless frames. The 1.67 high index lenses are extremely thin, so that they are a fantastic option for extra-strong glasses prescriptions, including -7.00 to -9.00 and +7.00 to +9.00. This index is effective with full-rim plastic and acetate, full-rim metal, half-rim, and rimless frames. They are an excellent choice for strong prescriptions, including -4.25 to -6.75 and +4.25 to +6.75. What is the difference between 1.50 standard vs. 1.57 mid index lenses?
The other circle will undoubtedly be closer to the nose of the lens, possibly partially cut off depending on measurements and whatnot, with another identifying mark where the 100 would be. If you look carefully enough additionally, you will see the same markings in another lens of one’s glasses. 1.67 index lenses work for all varieties of frames, and are great for strong prescriptions.

• Should you need glasses for both reading and distance use, we recommend checking our ‘progressives’ area for additional information.
• It isn’t unusual for 1.67 high-index lenses and 1.74 high-index lenses to cost 3x to 4x the cost of standard plastic or glass lenses.
• greater reflectivity, it’s essential to have an anti-reflective lens coating applied to high-index lenses.
• Also, instead of lenses for nearsightedness which are thicker on the edges, lenses for farsightedness are thicker in the center.
• Please remember that even the very best anti-scratch coating can’t 100% protect your lenses from wear and tear.

distance, frame type, as well as your lifestyle needs. These lenses contain a high index of 1 1.74 and can reduce thickness of the lens of high-powered prescriptions. They are the simplest lenses and are included in the frame price! Ideal for prescriptions of SPH (-5 to +4) and CYL (+/- 2). Static electricity sometimes could be really annoying, especially in dry or dusty environment, because dust and dirt can cling to the lenses and blur your vision. The anti-static coating repels dust and dirt, and keeps lenses cleaner. Since it can keep debris from sticking with lenses, the anti-static coating helps it be easier to clean.

Bona Top Quality Wholesale Cr39 1 499 150 Single Vision

Trivex has the lowest specific gravity of popular eyeglass lens materials. This makes Trivex lenses very lightweight and comfortable Though Trivex lenses (index 1.53) may be only 10% thinner than regular plastic lenses, they can be up to 30% lighter. High-index lenses are eyeglass lenses that bend light more efficiently than regular glass or plastic lenses. This is due to the lens material having a higher index of refraction than regular glass or plastic lenses. Lens materials that have an increased index of refraction produce thinner glasses. This material can be an extremely light and impact resistant material.

• Polycarbonate lenses are lightweight, impact-resistant, and so are less likely to fracture than regular plastic lenses.
• High-index lenses however, don’t require as much lens material and can result in longer lasting comfort.
• High-index materials
• However, prescription glasses with a lower lens index will have thicker lenses.
• The difference could be more noticeable the more nearsightedness or farsightedness you have.

The plastic photochromic lenses as we know them today will be the process of a significant hi… Our goal would be to make shopping online for your next pair of glasses easy and convenient. And because AR coating virtually eliminates lens reflections, it creates high-index lenses look nearly invisible. Others see your eyes, not distracting reflections in your lenses.

Flick through our wholesale options today to help you offer your customers quality 1.50 single vision lens options. Why there’s spots and scratches on the lenses I purchased before 9 The primary reason is the insufficient careful check .