Start with UV protection (look for UV 400), then choose a lens type (polarized for glare reduction, or photochromic for variable light). Pick a frame size that fits your face and a green frame style that suits your everyday look.

Key factors are lens quality and protection (UV 400, polarization), frame fit (face size, bridge width, temple length), and build quality (material and hinges). Style matters, but ensure the combination fits your face and comfort needs.

For daily wear, prioritize comfort and durability (acetate or lightweight metal). For outdoor activities or driving, polarization or gradient lenses help with glare and visibility. Consider frame material and weight for all-day wear.

Ask whether polarized or prescription lenses are available if you need glare reduction or vision correction, whether the frame size fits your face, and if the style complements your typical outfits and activities (casual day-to-day vs. outdoor or driving use).