Gunnar Loop Computer Eyeglasses | Size 51
Size Guide
Amber
Amber Sun-Shift
Clear
Your prescription is safe with us — you'll add it securely after checkout, with guidance at every step.
Inspired by our computer programming roots, Loop is essential for enhancing productivity and superior style. These intellectual round frames are made from precision-engineered polymer with stainless steel temples for an impressive and trendy elegance. Equipped with 180-degree flexible hinges and patented GUNNAR lens technology, they promise a comfortable fit that complements any digital lifestyle.
KEY FEATURES
- Round shape precision engineered polymer frame material
- 180-degree flexible hinges
- GUNNAR patented lens technology
- Photochromic Amber Sun-Shift lens technology
- G-Shield®Plus lens coating: anti-reflective, smudge-resistant & oleophobic
- Blocks harmful blue light and 100% UV
- Prescription also available
INCLUDED WITH PURCHASE
- Glasses Case
- Microfiber Pouch
- Microfiber Cleaning Cloth
- 12-month Warranty
Perfomance Level:EPIC
Upgrade to frames with customizable and ultra-durable hybrid materials. EPIC polycarbonate lenses sport the G-Shield® Plus coating stack with enhanced anti-reflective properties and Hard Coat. Protective flat fold case included.
Category Eyeglasses
Age Group Adult
Gender Unisex
Frame Material Engineered Polymer
Blue Light Protection
Prescription Ready
| Size* 51 |
|
| Horizontal Lens Measurement, A: | 51 |
| Bridge / Distance Between Lenses: | 18 |
| Temple Length: | 140 |
*All of these measurements are in millimeters
We Pay Shipping on all orders over $99 in the USA
Canada 7-8 business days
U.K/International up to 14 business days
If, for any reason, you are not completely satisfied with your order, you may return it within the first 30 days*.
*Limitations apply
Please note
Prescription lenses will add an additional

Gunnar Loop Computer Eyeglasses | Size 51
Onyx/Mercury / Amber
Product Size Information
Here are the key measurements for the eyewear you've selected.
* If the product is available in multiple sizes, please choose your size on the product page to view the exact measurements for that size.
1. Horizontal Lens Measurement
2. Vertical Lens Measurement
3. Bridge / Distance Between Lenses
4. Effective Lens Diameter
5. Temple Length












































































































