Focus on fit and balance: select the right frame size (eye size and bridge width) so the cat-eye shape feels comfortable, and choose a blue shade that suits your skin tone.

Compare frame size (eye size and bridge), material (acetate vs metal), color/finish, and available lens options (prescription, coatings, and UV protection).

Look at comfort features such as lightweight construction, adjustable nose pads, durable hinges, and whether the lenses can be customized to your prescription.

For work, choose a neutral blue shade with a comfortable fit; for travel or casual use, you can opt for a bolder blue or a more pronounced cat-eye to add style.