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Semi Finished Blue Cut Lense Blanks For UV420 Protection 1.60 Index
Home » Products » Semi Finished Lens » SF Blue Block Lens » Semi Finished Blue Cut Lense Blanks For UV420 Protection 1.60 Index
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Semi Finished Blue Cut Lense Blanks For UV420 Protection 1.60 Index

  • Semi Finished Blue Block
  • Aogang
  • 9001509900
  • 1.61
  • 70mm
  • MR-8, imported from Korea
  • 38
  • 1.32
  • > 97%
  • HMC
  • Base: 50~1000
Quantity:

Technical Data

1.60 Blue Block Aspherical Lens
Material: 1.60 Index Resin(Ne=1.597, Abbe value=38, Specific gracity=1.32)
CONVEX SURFACECONCAVE SURFACE


Mominal CurveTrue CurveSag(sagitta: 40mm)Sag(sagitta: 50mm)RadiusRadiusCT(mm)ET(mm)Dia(mm)
1.597
0.500.49
0.170.261,209.9190.508.314.770
1.000.97
0.320.51614.908.313.8
2.002.02
0.671.05295.708.312.8
3.003.18
1.061.66187.718.312
4.005.01
1.672.62119.108.310.3
5.006.12
2.043.2197.569.210
6.006.98
2.333.6785.509.49.2
7.007.40
2.473.8980.719.88.7
8.008.49
2.844.4970.3410.57.8
9.009.85
3.315.2660.5812.67.4
10.0011.18
3.776.0253.4213.76.7
12.0012.67
4.316.9347.0690.2213.75.3

 

              Center Thickness: +0.5mm         Edge Thickness: +0.5mm     Diameter Ranges: +0.5mm

Product Features

If we look at today’s hectic schedules where we are spending such technological life, how would you experience if something that provides you with relief, for example, Eye-strain relief goes wrong, trapping you in the middle of the problem? In a recent study done in the USA, it was noticed that an average American could not even spend his/her day without using their cell phone. You definitely will be looking for the best type of eyeglasses, which can provide you ultimate vision with comfort, so you can continue doing your normal daily activities.

 

  • What is a Blue Light?

 

Blue light is, in fact, the harmful rays that emit especially from the digital screens such as a computer, Laptops, tablets and game stations that children usually play. It's a portion of the noticeable spectrum, and this light is found in almost every digital screen. The extreme exposure to blue light from backlit screens and synthetic lighting can be extremely harmful to our eyes.

Semi Finished Blue Cut Lense Blanks For UV420 Protection 1.60 Index
Semi Finished Blue Cut Lense Blanks For UV420 Protection 1.60 Index
  • Harmful Effects Of The Blue Light

 

The blue light actually enters to the retina of the eye. Studies have shown that higher amount of such exposure to blue light could become the reason of damaging light-sensitive cells present in our eyes. This is the reason that most people are highly involved in eye-related issues such as macular degeneration, which can result eventually in permanent vision loss.

  • The advantages of blue cut lens

 

1. Blue cut lens can block all types of electronic equipment, LED display short-wave high-energy blue light emitted to ease the eye caused by blue light and other symptoms of discomfort.

 

2. Blue cut lens can reduce the impact of blue light on melatonin secretion at night, to some extent To improve sleep.

 

Semi Finished Blue Cut Lense Blanks For UV420 Protection 1.60 Index

 

Coating Choice

Blue cut lenses have four coating film can choose, UC, HC, HMC and SHMC. Different coating have different functions. But generally speaking, our customers don't choose uncoated lens, because the surface of lens is fragile, and easily be scratched.

Hard Coating: The uncoated lenses are easily subjicted and exposed to scratches , thanks for hard coating , the lenses can effectly scratch resistance

 

AR-System: It also called AR coating or hard multi coated, means coat an anti-reflective film on the hard coating . It can perfectly reduce light reflection and glare , enhance functional and charity of your vision .

1.56 Index AR Coating Blue Cut Lenses UV420 Protection 65/72mm Diameter

 

Top Coat: It means super hydrophobic coating or crazil coating, can make the lenses waterproof, antistatic, anti slip and oil resistance. Generally speaking , super hydrophobic coating can exist 6~12 months.

Contact Us

contact us

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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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