Focus on fit and proportion: match the frame size and bridge width to your face, and ensure comfortable temple length for all-day wear.

Key factors are frame size and shape, material and weight, lens options (prescription vs. sunglasses), and the color/finish that suits your style.

Compare sizing and fit first, then consider design details such as color and bridge style; if you need prescription lenses, verify compatibility with the frame.

Check the frame width and temple length for a comfortable fit, choose models with adjustable nose pads if available, and confirm that prescription lenses can be mounted in the frame.