Inexpensive clip-on gadgets found on Amazon often feel a little gimmicky, but well built devices can have real functionality ...

They also typically help you see more clearly in a strong glare. Clip-on sunglasses don’t have full frames. Made without earpieces, they’re a set of lenses that attach to your prescription ...

Clip-On sunglasses: A practical and affordable choice, clip-on sunglasses attach magnetically to your existing prescription glasses. However, they may not fit all frames and can be a bit cumbersome.