Function: | for Presbyopic, for Astigmia, UV Protection, for Myopia |
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Material: | PC |
Type: | Anti-Reflective Lens |
Samples: |
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Customization: |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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Payment Method: |
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Initial Payment Full Payment |
Currency: | US$ |
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Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Product Name |
1.59 Polycarboante Round Top Bifocal HMC Lens |
Diameter |
70mm |
Monomer |
Polycarbonate |
Abbe value |
32 |
Specific Gravity |
1.20 |
Power Range |
Sph: 0.00~+3.00 Add: +0.75~+3.50 |
The advantages of the PC lens:
Impact Resistant: Polycarbonate material was originally made for uses on canopies covering fighter planes and then made its way into space on astronaut visors and space shuttle windshields.
Scratching: The reason for polycarbonate lenses' impact resistance is because of its "softness". Softer materials will flex instead of fragment when met with great force.
What is Round Top Bifocal Lenses?
Bifocal lens can be called a multi purpose lens. It has 2 different fields of vision in one visible lens. The larger of the lens usually has the prescription necessary for you to see for distance. However, this can also be your prescription for computer use or intermediate range, as you would normally be looking straight when you view through this particular part of the lens. The lower part, also called the window, typically has your reading prescription. Since you generally look down to read, this is the logical place to put this range of vision assistance
1.499 | 1.56 | 1.61 | 1.67 | 1.74 | 1.59 PC | |
Single Vision Lens |
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Bifocal Lens |
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Progrerssive Lens |
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Blue Lighting Block Lens |
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Photochromic Lens |
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Blue Block Photochromic Lens |
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Blue Block Progressive Lens |
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