UNIEOWFA UV400 Polarized Prescription Sunglasses Women Men Myopia Optical Square Sun Glasses Female Male Eyewear |

Attention:   1. We will start to produce very soon after the payment. Prescription glasses orders cannot be cancelled or revised after 3 hours of payment;   2. Production  time 4-7 days for prescription glasses, please wait patiently;   3. Custom prescription sunglasses, we suggest you provide ±0.25 degrees less when filling the data if you are more than ±3.00 degrees, otherwise you will feel dizzy with this large sunglasses frame;   4. For special cylinder above ±2.00 degrees, we charge extral cost; Cylinder >±2.00 or ±6.00  ( ADD $15 )   5. Material: Aluminum Magnesium, Weight around 17g (not include the custom lens),  Sunglasses Inner width 133 mm   (5.23 i  n), (Manual measurements exist   ±  1-3mm gap.)   6. Physical shooting for sunglasses. There exist some color gaps in different   display device, please noted.   7.   We have more choices for color lenses. (Click to buy)     Any question, feel free to contact the online service.

 

   

 

 

 

 

1. Select Frame

2. Select Lens

3. Provide Data

4. Confirm Order

 

How to check frame size? :  

 

   Please do check frame size  The ruler in the picture cannot be used to measure your old glasses. Please use your measuring tool to check the size of old pair   of glasses.(2-3mm difference acceptable)  

    Lenses Explaination :  

 

   1.56 Sunglasses Lens    Our 1.56 index thin, Lightweight, and impact-resistant  CR-39 lens is up to 17% thinner than industry standard.  Plus its:    ●Scratch Resistant    ●UV 400 Protective     ●Thin    Suggestion for 1.56 Lens :   Myopia:        -0.00 ~ -3.00  Hyperopia:  +1.00 ~ +3.00;  ( CYL: -0.5~-6.00 )  (ADD 15$)  Cylinder:     -0.00 ~ -2.00 Free; -2.00 ~ -6.00  (ADD 15$)  1.61 Sunglasses Lens    Our 1.61 index thin, Lightweight, and impact-resistant  CR-39 lens is up to 26% thinner than industry standard.  Plus its:    ●Scratch Resistant    ●UV 400 Protective     ●Thin an light      Suggestion for 1.61 Lens :   Myopia:        -3.00 ~ -5.00  Hyperopia:  +3.00 ~ +5.00  ;  ( CYL: -0.5~-6.00 )  (ADD 15$)   Cylinder:     -0.00 ~ -2.00 Free; -2.00 ~ -6.00  (ADD 15$)

   1.67 Sunglasses Lens    Our 1.67 index thin, Lightweight, and impact-resistant  CR-39 lens is up to 40% thinner than industry standard.  Plus its:    ●Scratch Resistant    ●UV 400 Protective    ●Ultar thin    Suggestion for 1.67 Lens :   Myopia:        -5.00 ~ -7.00  Hyperopia:  +5.00 ~ +10.00;  ( CYL: -0.5~-6.00 )  (ADD 15$)  Cylinder:     -0.00 ~ -2.00 Free; -2.00 ~ -6.00  (ADD 15$)

  We have more choices for color lenses. (Click to buy)

 

 

Optometry Data Explaination :  

 

 Explaination:  1.OD-RIGHT = Right Eye   OS-Left = Left Eye  2.Sphere (SPH)=Spherical, is the strength of our prescription,       "+"refers to farsightedness and presbyopia, "-"refers to      nearsightedness. If "PL" or "Plano" is stated at the place of      SPH on your prescription, please enter 0.00 for this option.  3.Cylinder (CYL) = Cylindrical, is the diopters degree of the       astigmatism. This number also has "+" or "-" signs. If "DS"or       "SPH" or "spherical" or "PL" is stated at the place of CYL, it       means you have no astigmatism and 0.00 is the option      required to choose.  4.AXIS, is a number between 0 and 180 degrees, and means      the orientation of your astigmatism. There is no sign before      this number.  5.PD-PUPILLARY DISTANCE = Pupillary Distance

 

 PD (OU), written as "64", means the Binocular PD which is   for both eyes.

 PD (OD), means the Monocular PD for the right eye, PD   (OS), means the Monocular PD for the left eye.

    Thickness of the lenses depends on a few factors. 1. Prescription strength. The stronger the prescription, the thicker the lens, all else being equal.  2. Frame selection/fit. All else being equal, the larger the size of the lens, the thicker it gets (thickness proportional to size).  3. The higher the index of refraction, the less of a material is necessary to bend, or focus, the light in the same way for the same   prescription. So, higher index material lenses will also reduce thickness and "Coke bottle" effect.   Helps for common discomforts. 1. New glasses 2. New Prescription 3. The change of frame shape may cause discomfort. 4. Discomfort caused by discordance of prescription and lens index. 5. Discomfort caused by the spherical lens.