FAQ
Do blue light glasses really work?
DUALE blue light glasses are designed to filter a portion of blue-violet light emitted by digital screens while helping reduce glare and improve visual comfort during prolonged screen use.
Can I wear DUALE glasses all day?
Yes. DUALE glasses are lightweight and comfortable for everyday wear, whether you're working, studying, gaming, or browsing on your devices.
Are DUALE glasses suitable for gaming?
Absolutely. DUALE glasses help reduce screen glare and visual fatigue, making them ideal for gamers who spend long hours in front of monitors.
Will these glasses improve my sleep?
Many people prefer wearing blue light glasses in the evening to reduce exposure to screen light before bedtime. Individual experiences may vary.
Do the lenses affect color accuracy?
Our lenses are designed to maintain clear, natural vision while filtering selected blue-violet light wavelengths.
Do DUALE glasses provide UV protection?
Yes. DUALE lenses provide UV protection to help shield your eyes from harmful UVA and UVB rays when used outdoors.
Are these glasses suitable for children?
Yes. We offer styles designed for children who use tablets, computers, and other digital devices for learning and entertainment.
Do I need a prescription?
No prescription is required. DUALE blue light glasses are non-prescription eyewear designed for screen use.
How do I clean my glasses?
Use the included microfiber cloth and lens cleaner. Avoid using paper towels, tissues, or abrasive materials that may scratch the lenses.
What is your shipping time?
Orders are typically processed within 1–3 business days. Delivery times vary depending on your location and selected shipping method.
What is your return policy?
We offer a hassle-free return policy. If you're not completely satisfied with your purchase, contact our support team and we'll help resolve the issue.
How can I contact DUALE Eyewear?
You can reach our customer support team through the Contact Us page or by email. We aim to respond within 24–48 hours.