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1.56 bifocal flat top HMC ophthalmic lens optical prescription lenses danyang optical
Home » Products » Bifocal/Progressive Lens » 1.56 FT Bifocal Lens » 1.56 bifocal flat top HMC ophthalmic lens optical prescription lenses danyang optical
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1.56 bifocal flat top HMC ophthalmic lens optical prescription lenses danyang optical

  • 1.56 optical lens
  • AoGang
  • 9001509900
  • 1.56
  • 70MM
  • NK55 ( imported from Japan)
  • 42
  • 1.15
  • >97%
  • UC/HC/HMC
  • SPH: 0~ ±3.00, ADD: 1.00~ +3.00
Quantity:

Product Video

Product Description

Refractive Index1.56
MonomerNK55, imported from Japan
Diameter70mm
Abbe value58
Specific Gravity1.32
Flat top segment28
Transmission> 97%
Power rangeSPH: 0.00~+-3.00 ADD: +1.00~+3.50


Product Features

1538190412(1)


Bifocal means that there are two different diopters on the same lens. The two diopter are distributed in different areas of the lens. The area for viewing far is called the far field, which is located in the upper part of the lens. The near zone is located in the lower half of the lens.

  flat top-3

Flat Top Bifocal

 

A flat top 28 bifocal lens is offers correction for both near and far distances. It is a multifocal lens commonly prescribed for those suffering from both presbyopia and hypermetropia, a condition whereby, with age, the eye exhibits a progressively diminished ability to focus on near and far objects. The flat top lens includes a segment at the lower half of the lens with a prescription for reading (near distance). The width of the flat top 28 bifocal is 28mm wide at the top of the bifocal and looks like the Letter D turned 90 degrees.


Coating Choice

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Hard Coating(HC): To enhance the hardness of the lens to prevent the substrate scratch

 

Anti-reflection Coating(HMC/ AR): To protect the lens effectively from reflection, enhancing functional and charity of your vision

 

Super hydrophobic Coating(SHMC): To make the lens waterproof, antistatic, anti slip and oil resistance


Contact Us

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QUICK LINKS

CONTACT

Add: East Of Nongganxiao, Situ Town, Danyang City, Jiangsu Province, China

Tel:+86-511-86550315
Phone No: +86 18796035231
Fax: +86-511-86555316
Email: admin@ag-optical.com.cn
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