Start with when you’ll wear them and whether you need prescription lenses or non-prescription; then consider fit, frame shape, and lens type.

Top attributes include frame size and shape that suit your face, material and weight, and the available lens options (clear, tinted, or polarized) plus UV protection.

Comfort details like nose pads and temple fit, durability of hinges and screws, and features such as blue-light filtering for screen use.

For outdoor use, prioritize polarization and UV protection; for computer work, look for blue-light filtering and lightweight frames.