China Semi Finished Optical Lens Blanks Company – High Index Semi Finished Spin Coat Photochromic Lens Blanks – YOLI
China Semi Finished Optical Lens Blanks Company – High Index Semi Finished Spin Coat Photochromic Lens Blanks – YOLI Detail:
What Semi Finished Lens Blanks Can do?
Spectacle lenses production units that transform semi-finished lenses into finished lenses according the precise characteristics of a prescription.
The customization work of laboratories enables us to provide a wide variation of optical combinations for wearer needs, especially as regards the correction of presbyopia. Laboratories are responsible for surfacing (grinding and polishing) and coating (coloring, anti-scratch, anti-reflective, anti-smudge etc.) the lenses.
What are photochromic lenses?
Photochromic lenses are light-adaptive lenses that adjust themselves to different lighting conditions. When indoors, the lenses are clear and when exposed to sunlight, they turn dark in less than a minute.
Intelligent color change
The darkness of the after-changing color of photochromic lenses are decided by the intensity of ultraviolet light.
The photochromic lens can adapt to changing light, so your eyes don’t have to do this. Wearing this kind of lens will help your eyes relax a bit.
What is a freeform lens?
A freeform lens normally has a spherical front surface and a complex, three-dimensional back surface which incorporates the patient’s prescription. In the case of a freeform progressive lens, the back surface geometry includes the progressive design.
The freeform process utilises semi-finished spherical lenses which are readily available in a wide range of base curves and indices. These lenses are accurately machined on the back side using state-of-the-art generating and polishing equipment to create the exact prescription surface.
• the front surface is a simple spherical surface
• the back surface is a complex three-dimensional surface
Technology for freeform lenses
• Provides the flexibility to offer a wider range of high level products, even for the smaller optical laboratory
• Only requires a stock of semi-finished spheres in each material from any quality source
• Lab management is simplified with significantly fewer SKUs
• Progressive surface is closer to the eye – providing broader fields of view in the corridor and reading area
• Accurately reproduces the intended progressive design
• Prescription accuracy is not limited by the tooling steps available in the laboratory
• Accurate prescription alignment is guaranteed
Product detail pictures:
Related Product Guide:
"Control the quality by the details, show the power by quality". Our enterprise has strived to establish a remarkably efficient and stable team team and explored an effective excellent control system for China Semi Finished Optical Lens Blanks Company – High Index Semi Finished Spin Coat Photochromic Lens Blanks – YOLI , The product will supply to all over the world, such as: Montpellier, Slovenia, US, Our company has abundant strength and possesses a steady and perfect sales network system. We wish we could establish sound business relationships with all customers from at home and abroad on the basis of mutual benefits.
By Gail from Cannes - 2017.04.28 15:45
Sales manager is very enthusiastic and professional, gave us a great concessions and product quality is very good,thank you very much!
By Aaron from Oslo - 2018.11.04 10:32
