![](https://image5.cdnsbg.com/cms.en.smartbuyglasses.com.hk/wp-content/uploads/sites/8/2022/10/OCBlog-Article-Header-Image-Desktop-6-2.png)
![](https://image5.cdnsbg.com/cms.en.smartbuyglasses.com.hk/wp-content/uploads/sites/8/2022/10/OCBlog-Article-Header-Image-Mobile-6-3.png)
At SmartBuyGlasses, our full-range of optical services includes a range of professional coating options such as transitions, polarization, zFORT® blue block, tinting and mirror. Shopping online for your prescription glasses or sunglasses has never been easier!
Transitions® Light Intelligent Lenses™
Are also known as photochromic lenses. They will automatically change their level of tint according to the light conditions when exposed to UV light. This kind of lens helps the wearer enjoy life in different light conditions, indoors and outdoors. The Transitions Lenses we offer are available in grey and brown.
zFORT® Blue Light Block
Prevent digital eye-strain and blurred vision caused by long exposure to digital screens. Our high clarity transparent lenses are designed to protect your vision from harmful blue light. Find out more about the benefits of zFORT® blue light block here.
Why choose SmartBuyGlasses for prescription lenses?
• Exclusive 24 Month Warranty
• FREE Scratch Resistant Coating
• FREE Anti-Glare Coating
• 100 Day Returns
![](https://image5.cdnsbg.com/cms.en.smartbuyglasses.com.hk/wp-content/uploads/sites/8/2022/10/Screenshot_84.png?func=bound&w=473&h=283)