The lenses include an EN ISO 12312-1 certified optical filter that reduces transmission of wavelengths associated with screen-related eye strain. They're not tinted glass: the filter keeps visual transparency without significantly shifting colours.

No. This model doesn't include prescription lenses. It's designed as a screen protection frame, not as a corrective frame.

They're designed for indoor screen use. Although they include UV400 protection, they're clear lenses without tint and don't replace dedicated sunglasses for driving or strong outdoor sunlight.

No commitment. If they're not for you, we'll exchange or refund. Check the conditions on the returns page.

For mainland Spain, usually between 48 and 72 business hours. The exact estimate appears at checkout before you confirm the order.

We cover manufacturing defects for 3 years from delivery. It doesn't cover normal wear, impacts, misuse or unauthorised modifications. To claim it, write to us with your order number, a description of the defect and, if possible, a photo. If the warranty applies, we cover the shipping costs.

Clean the lenses with the included cloth. Avoid abrasive products. When not in use, keep them in their case. Don't expose them to excessive heat for long periods.

They handle occasional contact with moisture and sweat. They're not designed for underwater use or water sports. Always dry them before storing.

Yes. The lenses include UV400 protection (blocking UVA and UVB up to 400 nm). Still, they're clear lenses with a blue light filter, not tinted sunglasses. For prolonged outdoor use in strong sun, consider dedicated sunglasses.

The fit is medium adult/unisex. For young children the size will run large. If unsure, drop us a line before ordering.