OptoTech SD Freeform Progressive Lenses – Green
OptoTech SD Freeform Progressive Lenses – Green Detail:
Design Characteristics
Soft Design for an Open View
Corridor Length (CL) | 9 / 11 / 13 mm |
Near Reference Point (NPy) | 12 / 14 / 16 mm |
Minimum Fitting Height | 17 / 19 / 21 mm |
Inset | 2.5 mm |
Decentration | up to 10 mm at max. dia. 80 mm |
Default Wrap | 5° |
Default Tilt | 7° |
Back Vertex | 13 mm |
Customize | Yes |
Wrap Support | Yes |
Atorical Optimization | Yes |
Frameselection | Yes |
Max. Diameter | 80 mm |
Addition | 0.50 – 5.00 dpt. |
Application | Indoor |
What is the difference between conventional progressive lens and freeform progressive lens:
2.Customization
Freeform progressive lens is called Freeform because they can be fully customized. Manufactures of the lens are not limited by a fixed or a static design, but can fully customize your vision correction for optimal results. In the same way a tailor fit you with a new outfit, different personal measurements are taken into the account. Measurements such the distance between the eye and the lens, angle at which lenses are placed relatively to the eyes and in some cases even the shape of the eye. These enables us to create a fully customized progressive lens that will give you the patient, the highest possible vision performance.
3.Precision
In the old days, optical manufacturing equipment was capable to produce progressive lens with a precision of 0.12 diopters. Freeform progressive lens is made using the digital ray path technology software which allows us to manufacture a lens that is precise up to 0.0001 diopters. Almost the entire surface of the lens will be used for proper visual correction. This technology also enabled us to produce a top performing progressive lens that can be used in wrap-around (high curve) sun and sports eyewear.
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
Our Factory
Product detail pictures:




Related Product Guide:
We have now our possess revenue group, design staff, technical crew, QC team and package group. We now have strict excellent regulate procedures for each process. Also, all of our workers are experienced in printing subject for OptoTech SD Freeform Progressive Lenses – Green , The product will supply to all over the world, such as: Azerbaijan, Cannes, Plymouth, We will supply much better products with diversified designs and professional services. At the same time, welcome OEM, ODM orders, invite friends at home and abroad together common development and achieve win-win, integrity innovation, and expand business opportunities! If you have any question or need more information please feel free to contact us. We are looking forward to receiving your enquiries soon.

It's really lucky to find such a professional and responsible manufacturer, the product quality is good and delivery is timely, very nice.
