Hi Naveen,

Thank you for your question.

The Ultra Thin 1.74 high index we have is from our own house brand (Lens quality made from Korea). We however have branded Essilor lenses manufactured from France. To learn more about our premium lenses, you may visit the following link: www.smartbuyglasses.com/premium-lens.

Any further concerns or inquiries, please don't hesitate to let us know.

Regards,

John
SmartBuyGlasses