Features of CR-39 Uncoated Prescription Multifocal Progressive Lenses
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Design aspect
Progressive lenses are multi-focal lenses, which can meet the vision needs of different distances; Ordinary lenses usually have only one focal point and are used to correct a specific vision problem, such as nearsightedness or farsightedness.
Use aspect
Progressive lenses are commonly used to correct presbyopia, helping people with presbyopia gain clear vision at both a distance and a short distance; Ordinary lenses are used to correct single vision problems such as nearsightedness, farsightedness or astigmatism.
Appearance aspect
The degree of the progressive lens changes gradually, and no clear dividing line can be seen on the lens; The ordinary lens is fixed, and a clear dividing line can be seen on the lens.
Wearing experience
Progressive lens design to provide a more natural and comfortable visual experience when wearing; Regular lenses can cause visual fatigue in some cases.
Specification of CR-39 Uncoated Prescription Multifocal Progressive Lenses
| Index | 1.499 |
| Material | CR39 |
| Diameter | 65/70mm |
| PowerRange | SPH-6.00~+6.00 |
| ADD | 0~+3.00 |
| AbbeValue | 58 |
| coating | UC |
| Coatingclour | clear |
| Design | Progressive |
Advantages of CR-39 Uncoated Prescription Multifocal Progressive Lenses

Talk to your optometrist in detail
Before fitting glasses, you should say your detailed needs and the desired adjustment effect, and understand the adjustment of eye habits that need to be made after wearing, including introducing your daily eye environment type (whether it is near or far with eyes, static or dynamic with eyes, such as office workers or car drivers).
Get a professional optometry
Through scientific optometry, understand whether it meets the needs of correcting vision, understand their own anisometropia, diffusers, whether they are strabismus, etc., and confirm whether they are suitable for wearing progressive lenses.
Choose a good design
Good design in the corridor, near and far area, astigmatic area design more scientific segmentation, good optical performance, lens polishing more accurate, the same horizontal line, the degree tends to be consistent, more conducive to image fusion when looking left and right. .
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