- Store your sunglasses in a protective case when not in use.

- Use a soft, clean cloth to clean your sunglasses.

- Do not use harsh chemicals or solvents to clean your sunglasses.

- Avoid placing your sunglasses in direct sunlight for extended periods.

- Do not drop or bend your sunglasses.

Additional tips for making your sunglasses scratch-resistant:

- Choose sunglasses with scratch-resistant lenses.

- Consider applying an anti-scratch coating to your sunglasses.

- Use a microfiber cloth to clean your sunglasses.

- Be gentle when handling your sunglasses.

By following these tips, you can help keep your sunglasses looking new and scratch-free.