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Item specifics
  • Brand Name: Clara Vida
  • Frame Material: Acetate
  • Gender: Women
  • Pattern Type: Geometric
  • Model Number: iii-1
  • Item Type: Eyewear Accessories
  • Eyewear Accessories: Frames
  • lenses: Optical lenses,Photochromic Brown,Photochromic grey
  • Diopter: Plain -1.0 -1.5 -2.0 -2.5 -3.0 -3.5 -4.0 -4.5 -5.0 -5.5 -6.0
  • MAGNIFICATION: Plain +1.0 +1.5 +2.0 +2.5 +3.0 +3.5 +4.0
Product Description


    We also provide the prescription lens,Photochromic lens.If you need custom glasses according to your prescription, please tick lenses and frames box options
About Photochromic Lenses




Photochromic lenses are optical lenses that darken on exposure to specific types of light of sufficient intensity, most commonly ultraviolet (UV) radiation. In the absence of activating light the lenses return to their clear state. Photochromic lenses may be made of glass, polycarbonate, or another plastic. They are principally used in eyeglasses that are dark in bright sunlight, but clear in low ambient light conditions. They darken significantly within about a minute of exposure to bright light, and take somewhat longer to clear. A range of clear and dark transmittances are available; one manufacturer makes one glass with transmittance reducing from 87% to 20%, and another reducing from 45% to 9%.




In one sort of technology, molecules of silver chloride or another silver halide are embedded in photochromatic lenses. They are transparent to visible light without significant ultraviolet component, which is normal for artificial lighting. In another sort of technology, organic photochromic molecules, when exposed to ultraviolet (UV) rays as in direct sunlight, undergo a chemical process that causes them to change shape and absorb a significant percentage of the visible light, i.e., they darken. These processes are reversible; once the lens is removed from strong sources of UV rays the photochromic compounds return to their transparent state.


Our store offers high quality frames and professional optometric services. If you only need glasses frame, please click the tickbox to order only frame options. If you need custom glasses according to your prescription, please tick lenses and frames box options.We have strength from +1 +1.5 +2 +2.5+3 +3.5 +4 +4.5 +5 +5.5 +6 +6.5 +7.0 +7.5 +8.0... and  -1 -1.5 -2 -2.5 -3 -3.5 -4 -4.5 -5 -5.5 -6 -6.5 -7 -7.5 -8 -9 -9.5..(available with gap 0.25D)
From customer A ( with cylinder lenses),
OD(RIGHT EYE)  -2.5     CYLINDER(if needed)  -1.00    AXIS 90
OS (LEFT EYE)    -3.5       CYLINDER(if needed) -125      AXIS 180
PD( the distance between centers of two eyes)=64mm
From customer B ( without cylinder lenses),
OD(RIGHT EYE)  -4.5     
OS (LEFT EYE)    -2.5       
PD( the distance between centers of two eyes)=66mm
From customer C ( he attached the eye prescription receipt in the order for us to read which is understandable as below)
please provide above red lettered information of your own, then we could easily read and understand for producing custom made glasses for you:)
please advise the strength you need and we will send to match your need. and better provide with your PD for our accurate making If not advised we will send ONLY the frame, and seller should be free from disputes. please read carefully before buy. thanks.
The lenses weprivided are antireflective coated best quality lenses.
The quantity for this listing are ONE PAIR!!!





Packaging Details
  • Unit Type: piece
  • Package Weight: 0.1kg (0.22lb.)
  • Package Size: 12cm x 12cm x 12cm (4.72in x 4.72in x 4.72in)
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Packaging Details
  • Unit Type: piece
  • Package Weight: 0.1kg (0.22lb.)
  • Package Size: 12cm x 12cm x 12cm (4.72in x 4.72in x 4.72in)
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