When choosing sunglasses, you should pay attention to the following issues:

UV Protection: Make sure your sunglasses have adequate ultraviolet (UV) protection that filters out harmful UV radiation and protects your eyes from damage.

Lens Quality: Choose high-quality lenses to ensure visual clarity and comfort while avoiding optical distortion and color distortion of the lenses.

Frame Comfort: Make sure the frames fit and fit your face comfortably without causing discomfort or pressure.

Anti-glare: Choose lenses with anti-glare function to reduce reflections and glare for clearer vision.

Lens Color: Different colors of lenses are suitable for different environments and activities, choose the appropriate lens color according to your needs, such as gray for daily life, brown for outdoor sports, etc.

Adaptability: If necessary, you can consider photochromic lenses, which can automatically adjust the color according to the light and adapt to different environments.

Fashion and Style: Consider personal fashion and style and choose sunglasses that match your outfit and look.

Brand reputation: Choose a well-known eyewear brand to ensure product quality and after-sales service.

Glasses use: Choose the appropriate style according to the usage situation, such as driving, outdoor sports, vacation, etc.

Price and Budget: Consider your budget and find the right sunglasses within it, it doesn\'t have to be the most expensive, but avoid overly cheap ones.

To sum up, there are several factors to consider when choosing sunglasses to ensure that your sunglasses provide eye protection while meeting your individual needs and style.