progressive lenses

Rx ...

... reducing the need for multiple pairs of glasses. The VOLGTLANDER lens is perfect for anyone who needs clear and sharp vision for a var...

... UV420 BLUECUT 1.499 Index Single Vision Bifocal 1.56 Index Single Vision Bifocal 1.61 Index Single Vision Bifocal 1....

...LED backlight and high-magnification lens Adjustable tilted base Lens Tester Features: 1.The design of black grid, LED backlight and hi...

Fashion Tortoise Acetate With Titanium Frame Reading Glasses Men Blue Light Blocking Reading Glasses: Anti blue light & UV400 lenses, alleviates visua...

...PPL ) and contact ( CL ). The display unit utillizes a full-graphic LCD, displaying measured values of right-eys and left-eye at one ...

...by taking in light through organic ...but when those get clouded over or obscured, your vision will suffer. This condition is known as...

... machines and has made breakthrough in technology. It has successfully developed a variety of multi-functional placement machines that can...

...) 3. Lamp panel: without infrared light 4. Voltage: DC12V 5. System: P-system/N-system 6. Image: Ortho/Mirror 7. Wire: 4P aircraft carrier wi...

...PM stepping motor with small size, large torque and high . This small motor is mainly used in cameras, , optical instruments and othe...

... and has gained reputation from worldwide customers in the area of infrared optics, visible optics, low light lever optics and optical syst...