China New Product Best Lenses For Eyeglasses - CONVOX Korea factory wholesale Shell Myopia Blue Block Lens Solution For Students – CONVOX

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China New Product Best Lenses For Eyeglasses - CONVOX Korea factory wholesale Shell Myopia Blue Block Lens Solution For Students – CONVOX Detail:

Products Description

Material	Resin
Refractive Index	1.56/ 1.61 /1.67
UV Cut	385-445nm
Abbe Value	38
Specific Gravity	1.28
Surface Design	Aspheric
Power Range	-6/-2
Coating Choice	SHMC
Rimless	Not Recommended

Advantages of Myopia Control Lens

Hongchen Myopia Lens Solutions

The most comprehensive myopia management spectacle lens portfolio specially designed for children and students.

NEW!
Shell design, power change from center to edge ,

UV420 Blue block function, protect eyes from Ipad, TV, computer and Phone.

Super Hydrophobic coating, help Children to clean the lens more easy every day.

Anti-virus coating can order for RX prescription lens, help your child to use eyes in healthy way.

A large portion of what children learn and experience occurs through their eyes.1 If a young child’s visual system does not perform optimally, this can negatively affect their development.It is essential that myopic children in particular get the best optical support.

Indeed, the prevalence of myopia progression is becoming a serious problem, especially in Asia: almost 90% of young people develop myopia before the age of 20.

Moreover, this is a global trend. In 2050, nearly 50% of the world’s population may be myopic.

To address this problem Hongchen has developed the most comprehensive myopia management spectacle lens portfolio, specially designed for children aged 6 to 12.

Treatments to slow or stop progression of nearsightedness

Myopia control eyeglasses lenses. It is an innovative spectacle lens for myopia control, and designed for teenagers under 18. It uses three core technologies to control myopia progression, and provides clear vision and myopic defocus simultaneously at all viewing distances.

(1) How do the myopia control lenses that can help slow or prevent myopia progression?

Myopia defocus control technology is the answer.

Well from the pictures above you can find — it can change the way light focuses on the retina between the central and peripheral retinal areas. Peripheral defocus theory suggests that this designs work at controlling myopia because they create that all important peripheral myopic defocus, interrupting the feedback loop for the eye to continue lengthening that is our bane in glasses and single vision lens wear.

progressive-lens-freeform

Myopia lens fitting guide

1. Suitable for children and teenagers under 14 years old
2. Children’s glasses must undergo mydriatic optometry, and the diopter of
the mydriatic optometry shall prevail
3. During the optometry process, the eye position and adjustment function
must be checked, and the prescription should be adjusted according to the
adjustment function and eye position
4. Children with excessive accommodation and esotropia should not wear
defocus lenses (only 7% of patients with esotropia and myopia)
5. Defocus lenses must be fitted under proper correction, not undercorrection and over-correction
6. When fitting defocus lenses, you should choose a suitable frame
(preferably S-shaped adjustable nose pads), and process and assemble
according to the pupil height.
7. Frame width ≥ 45mm, frame height ≥ 30mm, and the amount of
displacement as much as possible ≤ 4mm
8. The lens must remain 12 mm in front of the eyes, with an 8-10 degree
forward tilt angle
9. Defocus lenses must be worn for a long time, regardless of any luminosity,
far or near

Myopia lens processing guide

Processing precautions
1. Diopter detection and distinguishing
between left and right eyes.
2. During processing, the optical center is
mainly based on measured optics.
3. Wear it after processing. If there is a
deviation between the optical center and
the pupil reflection point, the frame
should be adjusted.
4. After the frame is adjusted, the
processing of the mark is carried out.

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Product Packaging

Packaging Details1.56 hmc lens packing:envelops packing (For choice): 1)standard white envelops 2)OEM with customer’s LOGO, have MOQ requirement cartons: standard cartons:50CM*45CM*33CM(Every carton can include around 500 pairs lens,21KG/CARTON) Port：SHANGHAI