Start with your purpose and facial features—consider how you’ll wear them daily, ensure a comfortable fit, and look for 100% UV protection to shield your eyes.

Key factors include frame fit (width and temple length), lens quality and protection, and overall comfort; also note frame material and color to match your style.

Think about wear duration, typical lighting conditions, and whether you prefer a neutral or darker lens tint; also consider hinge durability and how the color pairs with your wardrobe.

If you have a larger or smaller face, compare frame width and temple length; for bright sunny environments, choose a darker or gradient lens and a versatile frame color for formal or casual settings.