Focus on fit (frame width and bridge), material and durability, and how the green cat-eye style suits your look. Ensure your prescription options are supported if you need lenses.

Size (eye width, bridge, temple length), frame material (acetate or metal), and lens options or coatings. Brand and design notes can help you weigh longevity and value as well.

Lens coatings (anti-reflective, scratch resistance), prescription compatibility, blue-light protection if you spend time at screens, and comfort features like nose pads and adjustable temples.

For professional settings, choose a timeless shape with a reliable fit and subtle details. For casual or statement looks, consider brands with distinctive styling or bolder green tones to reflect your personal style.