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Can I order the frame with plain lenses?
Generally speaking, all the frames can be made with plain lenses. Please fill in your RX with 0.00 when you enter prescription and any PD number....
Can I just buy the frame with no lenses?
Yes, please fill in your RX with 0.00 when you enter prescription and any PD number, and then leave a message in your order or send your request to service@grinoo.com. If you want to purchase a frame in our website and then take it to the local glasses store to get prescription lens,...
Lens Thickness/ Lens Index
Spheric 1.56 lens Spheric (1.56) lenses are with anti-scratch hard coating and 85-90% UV protection coating (Please choose higher index lenses to get 100% UV protection). The higher index lens greatly reduces the thickness of the lens edge, and are suitable for spherical power of +2.00~+4.00/-2.00~-3.00 or below, and cylindrical power of +/-2.00...
What coatings and add-ons do you offer for your lenses?
Anti-scratch All our lenses come with an anti-scratch hard coating to avoid lenses being easily scratched, ensuring vision clarity and durability....
Do you offer bifocal or progressive lenses?
We offer progressive lenses, but no bifocal lenses, because progressive lenses can bring better visual experience. Do remember to choose a proper frame with height over 30mm for making progressive lenses and then input your prescription as requested. Please note that progressive lenses are needed when there is ADD in your prescription.   ...
Do you have prism lenses?
We only provide single vision prism lenses right now. Just upload the picture of your original prescription and then our professional will help check it. For prism lens, we charge extra $9USD. ...
Can I buy lenses only to fit into my old glasses frame?
No, we offer our lenses with our frames as a whole package. We strongly suggest not to do it as the lenses may not be suitable for your old eyeglasses frame if you buy them only. What's more, the best service life of a frame is about one year. The frame may...
What is the difference between single-vision and bifocal/progressive lenses?
Single vision lenses refer to lens that have only one use, to see objects in the distance,  to see intermediate like computer or phone, or to see near for reading (reading glasses), while bifocals/progressives are a type of prescription eyeglasses that can be used to correct both near and farsightedness. This...
Do the lenses include any coating?
All of the lenses have an anti-scratch coating and the coating is free.    ...
Which kind of lenses are free?
Standard index 1.56 lens are free. For prism prescription or special lens (PD too small or too big for the frame chose), we charge extra $9 on lens. ...
Lens Functions
Single vision lens Single-vision prescription lenses are for people who need to correct one field of vision, either for distance, intermediate (computer), or near vision (reading). They contain the same amount of vision correction throughout the entire lens. There is no ADD in the prescription in the single vision prescription and there...
What is the material of your lens?
Our lenses are made of resin, which are lightweight and highly impact-resistant. Resin lenses also have a strong ability to block ultraviolet radiation to protect your eyes....
Helps for common discomforts
New glasses The light transmittance of new glasses is higher. So you may feel brighter compared to old ones. It usually takes several days to get used to new glasses.    New Prescription Some customers may feel the prescription is strong and a bit painful in the eyes.Usually, it takes about one week to adapt...