Aluminum Magnesium Multifocal Reading Glasses for Men

These advanced bifocal reading sunglasses feature a unique design. The upper optical area of the lens is intended for distant viewing, while the lower optical area is optimized for near-range vision. The lenses are photochromic, which means they are light-sensitive. Traditionally, photochromic lenses were made of glass with added silver halide, but the current mainstream is photochromic resin lenses. These lenses incorporate spiro and other chemicals into the acrylic resin, allowing the originally colorless and transparent lenses to tint in bright light, providing protection and suitability for both indoor and outdoor use.

The stylish new brand design of these sunglasses makes them suitable for a wide range of face shapes, allowing you to express your unique and high-end taste. The high-quality aluminum-magnesium frame is ultra-light and comfortable, with spring hinges for a fashionable dual-purpose look that works for both men and those with presbyopia.

Responsible after-sales service is guaranteed, with a 30-day replacement policy and a lifetime warranty. If you encounter any issues within the first 30 days, please contact our customer service without hesitation, and we will provide the best solutions until you are fully satisfied. There is no risk in trying these sunglasses.

The key features of this product are as follows:

• Photochromic lenses that turn grey in the sun
• Bifocal design with the upper area for distant viewing and the lower area for near vision
• Lightweight aluminum-magnesium frames with flexible spring hinges for a comfortable fit
• Note: These are not regular sunglasses and will not become as dark as typical sunglasses

The photochromic technology used in these lenses is worthy of additional explanation. Unlike traditional glass photochromic lenses that utilize silver halide, the current mainstream approach is the use of photochromic resin lenses. These lenses incorporate spiro and other specialized chemicals into the acrylic resin, allowing the originally colorless and transparent lenses to tint in bright light. This tinting provides protection, making the lenses suitable for both indoor and outdoor use.

In summary, these advanced bifocal reading sunglasses offer a unique and versatile solution, combining the benefits of photochromic technology, bifocal design, and a stylish, comfortable frame. With responsible after-sales support and a risk-free trial, you can confidently enjoy the convenience and style these sunglasses provide.

product information: