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Progressive 1.56 Semi Finished Lens Blanks UV420 Protection Anti Blue Ray
Home » Products » Semi Finished Lens » SF Blue Block Lens » Progressive 1.56 Semi Finished Lens Blanks UV420 Protection Anti Blue Ray
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Progressive 1.56 Semi Finished Lens Blanks UV420 Protection Anti Blue Ray

  • SF 1.56 UV420 Blue Block Progressive
  • Aogang
  • SF 1.56 UV420 Blue Block Progressive
  • 1.56
  • 75/12&14
  • NK55, Imported From Japan
  • 38
  • 1.28
  • 97%
  • HMC/AR/Anti-Reflective/Green/Blue
  • Base:3/4/5/6 ADD: +1.00~+3.50
Quantity:

Video

Technical Data

  1.56 S/F SHORT CORRIDOR PROGRESSIVE BLANKS
  MARTERIAL REFRACTIVE INDEX=1.56 TOOLING INDEX=1.530
Diameter(mm)Nominal
Curve
Front
Radius
T.CBack
Radius
BACK
T.C
CT/ETFrong sag
Ring 50mm
RX Range
Recommended
ɸ75300B337.351.5787.176.087.0/13.00.93-6.75Dto-8.00D
ɸ75400B149.543.54104.65.077.0/9.02.10+2.00Dto-4.25
ɸ75500B90.955.83104.65.0710.0/9.03.500.00Dto+3.50
ɸ75600B67.167.8987.176.089.5/6.04.83-4.25Dto+6.00

               

Features

1) Semi finished lens:

What's semi-finished lens for?

The semi-finished lens is based on the patient's prescription to create the most personalized RX lens of the original blank. Different prescription power in the requirement of different semi-finished lens type or base curve.

Progressive 1.56 Semi Finished Lens Blanks UV420 Protection Anti Blue Ray

2) Blue cut lenses:

 

① Who need the blue cut lenses:

Blue light lenses is ideal for people who work on digital devices for prolonged hours. By restricting the blue light from entering into the eyes, it helps reduce the symptoms of eyestrain (dry and sticky eyes) resulting from screens of digital devices. Also, lenses with blue cut coating offer a comfortable vision and may improve visual performance in low color contrast.

 

Progressive 1.56 Semi Finished Lens Blanks UV420 Protection Anti Blue Ray

 

② Hrmful Effects of Blue Light:

● Disrupts the Circadian Rhythm

● Higher risk of certain types of cancer

● Higher risk of Diabetes, Heart Disease & Obesity

● Aggravates Depression

● May induce Myopia

● May induce/aggravate Age Related Macular degeneration & even irreversible vision loss

● Digital Eye Strain Syndrome, Blurry Vision, Aesthanopic & Orthopaedic symptoms

● Suppresses Melatonin –the sleep inducing hormone, thus reducing the ability to sleep

 

3) Progressive lens:

 

Progressive 1.56 Semi Finished Lens Blanks UV420 Protection Anti Blue Ray

No matter how great those new, perfectly–you, designer eyeglasses look, rocking a bifocal line, or switching back and forth between two pairs of glasses, can make you feel older. Today’s lineless bifocals and progressives give you a single, stylish solution so you can see clearly at three ranges: close, mid, and far away.

 


Coating

Hard Coating: Also can be called HC coating, is to enhancethe hardness of the lens to prevent the substrate scratch

 

Hard Multi Coating: Also can be called HMC or AR coating, is to protect the lens effectively from reflection

 

Super Hydrophobic Coating: Also can be called SHMC coating or crizal coating, is to make the lens waterproof, antistatic, anti slip and oil

Progressive 1.56 Semi Finished Lens Blanks UV420 Protection Anti Blue Ray


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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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