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Green Coating Round Top Bifocal Lens 1.56 Index Far / Near Vision FDA Approval
Home » Products » Bifocal/Progressive Lens » 1.56 RT Bifocal Lens » Green Coating Round Top Bifocal Lens 1.56 Index Far / Near Vision FDA Approval
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Green Coating Round Top Bifocal Lens 1.56 Index Far / Near Vision FDA Approval

  • 1.56 RT-28 HMC
  • Aogang
  • 1.56 RT-28 HMC
  • 1.56
  • 70MM
  • NK55,imported from Japan
  • 39
  • 1.20
  • 97%
  • HMC/AR/Anti-Reflective
  • SPH:-300~+300, ADD:+100~+350
Quantity:

Product Description


Production1.56 RT-28 HMC
MonomerNK55
Diameter70MM
Abbe value39
Specific Gravity1.20
Transmission>97%
Round top segment28
Guarantee years5 years
Power rangeSPH: 000~+300,000~-300,CYL:+100~+350


Feature

1) Our bifocals are made from the highest quality materials, in Uncoated, Hard-Coated and Hard-Multi-Coated varieties. We understand that people have different needs in bifocals, so we have created a wide range of these products. It also means we can fulfill all types of orders in bifocals. We encourage you to contact us with questions or for clarifications and price lists. We will be happy to assist in any way we can.

2) With a segment in the lower area of the lens, a bifocal lens displays two different dioptric powers, which provides presbyopes with clear vision for both near and distance visions. Green Coating Round Top Bifocal Lens 1.56 Index Far / Near Vision FDA Approval

3) 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.


Coating

Green Coating Round Top Bifocal Lens 1.56 Index Far / Near Vision FDA Approval

   Depending on the layers of coating, lenses differ in functionality. Coating consists of much technicality as much as  lenses do, here is 'how lens coating works' for your reference.
Hard Coating AR Coating/Hard Multi Coating Super Hydrophobic Coating

    To make the uncoated lenses are easily subjected and exposed to scratches

    To protect the lens effectively from reflection, enhance functional and charity of your vision

    To make the lens waterproof, antistatic, anti slip and oil resistance. 

 


Technical Data

Green Coating Round Top Bifocal Lens 1.56 Index Far / Near Vision FDA Approval

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