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Hard Multi Coated 1.50 Index Lenses , Round Top Prescription Eyeglass Lenses 28 Segment
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Hard Multi Coated 1.50 Index Lenses , Round Top Prescription Eyeglass Lenses 28 Segment

  • 1.499 RT-28 HMC
  • Aogang
  • 1.499 RT-28 HMC
  • 1.499
  • 70MM
  • CR39
  • 58
  • 1.31
  • 97%
  • HMC/AR/Anti-Reflective
  • SPH:-300~+300, ADD:+100~+350
Quantity:

Product Description


ProductionMonomerDiameter
1.499 RT-28 HMCCR3970MM
Abbe valueSpecific GravityTransmission
581.31>97%
BrandCoatingDelivery Company
AogangHMCFedex/DHL/TNT/UPS
Round top segmentGuarantee yearsPower range
285.5 yearsSPH: 000~+300,000~-300,CYL:+100~+350

 


Features

● This is a very convenient type of lens that allows the wearer to focus on objects both at close range and  far range through a single lens. 

 

 

● This type of lens is designed to enable  viewing of objects in the  distance, at  close range and in the  intermediate  distance with  corresponding changes in  power  for each distance.

Hard Multi Coated 1.50 Index Lenses , Round Top Prescription Eyeglass Lenses 28 Segment

 

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.

 

Hard Multi Coated 1.50 Index Lenses , Round Top Prescription Eyeglass Lenses 28 Segment

      Advantages of round-top bifocals


  1. The wearers can see the near things by the round shape and see the distance things by the rest of the lenses.

  2. The wearers don't need change two different visions glasses when they both reading book and watching TV.

  3. The wearers can keep the same posture when they look both the near thing or far thing.


Coating

 Super Hydrophobic Coating:To  make the  lens  waterproof, antistatic,  anti slip and oil  resistance.

 

 AR Coating/Hard Multi  Coating: To protect  the lens  effectively from  reflection, enhance  functional and charity  of your vision

 

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

Hard Multi Coated 1.50 Index Lenses , Round Top Prescription Eyeglass Lenses 28 Segment


Technical Data

UC Prescription Round Top Bifocal Lens Clear Vison 1.499 Refractive Index

 


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