1.56 1.61 1.67 Index Free Form Multifocal Progressive Lenses Customized Photochromic Anti Blue Light Prescription Lens
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Specifications
- Brand Name
- BLACKMASK
- Coating
- HMC
- Lenses Material
- CR-39
- Origin
- Mainland China
- Gender
- Men
- Certification
- CE
- Model Number
- Progressive
- Eyewear Accessories
- Lenses
- Item Type
- Eyewear Accessories
- Place Of Origin
- China (mainland)
- Optical Type
- Progressive
- Lenses Optical Attribute
- Photochromic
Product Description
Pros & Cons
Pros
- Free-form progressive design provides smooth, continuous vision correction across near, intermediate, and far distances
- Photochromic lens technology adjusts tint automatically based on sunlight exposure
- Includes anti-blue light coating to reduce eye fatigue from digital screens
- Multiple refractive index options to suit different prescription strengths and lens thickness preferences
Cons
- Requires precise prescription and frame measurements for a proper customized fit
- Customization leads to longer production times before shipping compared to stock lenses
- Only available for presbyopic users with add powers between +0.75 and +3.00 diopters
- Does not include eyeglass frames, only the replacement lenses
Common Questions
What material are these progressive multifocal lenses made of?
These lenses are constructed from CR-39 resin with an HMC coating for scratch resistance and clear optical performance.
What refractive index options are available for these progressive lenses?
You can choose between 1.56, 1.61, and 1.67 refractive indexes based on your prescription strength and desired lens thickness.
What add power range is available for these progressive multifocal lenses?
These lenses support add powers ranging from +0.75 to +3.00 diopters for presbyopic vision correction.
What key features do these progressive lenses offer?
These are free-form progressive multifocal lenses with photochromic technology that darkens in sunlight and clears indoors, plus anti-blue light coating to protect against digital eye strain, and HMC scratch resistance.
Where do these lenses ship from, and how are they customized?
These lenses ship from Mainland China, and are customized to your specific prescription, add power, and refractive index selections after you place your order and share your prescription details.
Product information last updated on December 10, 2025