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1.499 Round Top Bifocal Lens

Introduction

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.Tags:1.499 Bifocal lens,1.499 round top lens

Product Details

Product Tags

Specification

1.499 round-top bifocal optical lens
Model: 1.499 optical lens
Place of Origin: Jiangsu, China
Brand:
Lenses Material: Resin
Function Round-top bifocal
Lenses Color Clear
Refractive Index: 1.499
Diameter: 65/28MM
Abbe Value: 58
Specific Gravity: 1.32
Transmittance: >97%
Coating Choice: HC/HMC/SHMC
Coating color Green
Power Range: Sph: -2.00~+3.00  Add: +1.00~+3.00

Product Features

1、The advantages of the 1.499 index.

① The highest impact resistance among other index lenses
②The most easily tinted than other index lenses, such as 1.56, 1.61, 1.67, 1.74 and 1.59 pc.
③The highest transmittance as compared with middle index lenses and high index lenses.
④The highest ABBE value(57) providing the most comfortable visual experience than other index lenses.
⑤The most reliable and consistent lens product physically and optically.

2、Advantages of round-top bifocals

①The wearers can see the near things by the round shape and see the distance things by the rest of the lenses.
②The wearers don’t need change two different visions glasses when they both reading book and watching TV.
③The wearers can keep the same posture when they look both the near thing or far thing.

3. What is the difference between HC, HMC and SHC?

       Hard coating     AR coating/Hard multi coating        Super hydrophobic coating
makes the uncoated lens hard and increases the abrasion resistance increases the transmittance of the lens and reduces surface reflections makes the lens waterproof, antistatic, anti slip and oil resistance

Certification

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