Custom Single Vision Photochromic Lens
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Single Vision Photochromic Lens

This single vision photochromic lens series covers multiple refractive indices. Higher-index lenses are thinner and lighter—ideal for moderate to high prescriptions—while Photo Grey and Photo Brown tints automatically darken outdoors to block UV and glare, then clear up indoors.

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  • Parameter
Parameter
Center Thickness (C.T) B Curve (B.C) A Curve (F.C) Power (Diopters) A Curve (F.C) B Curve (B.C) Edge Thickness (E.T)
2.10mm 400 -400 0
1.90mm -375 0.25 +325 300 1.7mm
-350 0.5 +350
1.80mm -325 0.75 +375
-300 1 +400
-275 1.25 +425 1.5mm
-250 1.5 +450
-225 1.75 +475
-200 2 +500
1.70mm 500 -275 2.25 +425 200 1.3mm
-250 2.5 +450
-225 2.75 +475
-200 3 +500
-175 3.25 +525
-150 3.5 +550
-125 3.75 +575
-100 4 +600
600 -175 4.25 +525 100
-150 4.5 +550
-125 4.75 +575
-100 5 +600
700 -175 5.25 +625
-150 5.5 +650
-125 5.75 +675
-100 6 +700
800 -175 6.25
-150 6.5
-125 6.75
-100 7
-75 7.25
-50 7.5
-25 7.75
0 8
Refractive Index & Base Material Photochromic Options (Color & Coating Tech) Power Range: Sphere Power / Cylinder Power, Unit: 0.01D
1.56 Standard Resin ①Photo Grey
②Photo Brown
③Photo Purple
④Photo Pink
⑤Photo Blue
-800/-200, +600/-200
±600/-400
±600/-600
T6 1.56 Resin ①Photo Grey -800/-200, +600/-200
±600/-400
±600/-600
Fast Change 1.56 Resin ①Fast Change Photochromic -800/-200, +600/-200
±600/-400
±600/-600
1.61 Acrylic ①Spin Photo Grey -1000/-200
±600/-400
±600/-600
1.61 MR-8 ①Dip Photo Grey -1000/-200
±600/-400
±600/-600
1.67 MR-7 ①Dip Photo Grey -1500, -1200/-200 (75mm)
-1000/-400 (75mm)
-800/-600 (72mm)
+800/-200 (65mm)

Highlights at a glance

  • High Index Lens: Delivers sharp, clear vision with a thinner, lighter profile for enhanced comfort and appearance.
  • UV400 Protection: Helps block harmful UV rays to support long-term eye protection.
  • Photochromic Technology: Available with color-changing lenses that transition from clear to tinted in sunlight for versatile everyday use.
  • Premium Resin Material: Made from high-quality resin for excellent durability, lightweight comfort, and reliable optical performance.
  • Custom Prescription Options: Available in customized prescriptions to meet individual vision correction needs.
  • Multiple Lens Designs: Offered in Round Top Bifocal, Flat Top Bifocal, and Invisible Bifocal styles to suit different preferences.
  • Trusted Lens Quality: Manufactured with strict quality standards for dependable optical performance.
  • Individual Protective Packaging: Each pair is packaged separately to help ensure safe delivery and product protection.
  • Optional Lens Assembly: Lens assembly service is available for an additional processing fee of $5.

Real user reviews

m***z: excellent communication , great price , fast shipping

F***s: Good quality lenses , I've been ordering for 6 years , the staff ( amanda ) is taking care my order and she very accommodating.. nice to work with. most important , they supply excellent quality of lenses!

About
Thinkey Optical Co., Ltd.
Thinkey Optical Co., Ltd.
Thinkey Optical Co., Ltd. is a custom Single Vision Photochromic Lens producer and quality control Single Vision Photochromic Lens with over 20 years of expertise in manufacturing a wide range of optical lenses. Our facility spans 40 acres, with a production area of 20,000 square meters. Located in Duqiao Town, Linhai City—a coastal area of Zhejiang Province,Thinkey Optical employs approximately 200 workers and operates 6 advanced machines imported from Korea, as well as Satisloh RX equipment from Germany. Our daily production capacity reaches 30,000 pairs of high-quality lenses.
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