How do gunnars work




















Gunnar offers free shipping within the U. After shipping, nonprescription glasses should arrive 3—5 business days later, while prescription orders should arrive within 4—6 weeks. For peace of mind, Gunnar offers a day money-back guarantee on its products. It also provides free exchanges and returns for nonprescription glasses on orders placed within the U. However, international returns and exchanges are subject to additional charges — customers need to pay for shipping fees themselves.

While all prescription orders are nonrefundable, they do have some protection under their warranty policy. This warranty will repair or replace material defects within 12 months of purchase. The company also offers 2-years of cover against defects in the anti-reflective lens coating after purchase.

However, this does not include lens scratches. Learn about some of the best blue light blocking glasses here. One older study looked at the effectiveness of Gunnar blue light lenses compared with placebo lenses. The research found these glasses reduced the following symptoms when individuals looked at screens:.

The Centers for Disease Control and Prevention CDC states that exposure to blue light before bed can make it difficult for a person to fall and stay asleep. They advise people to avoid digital screens before bedtime, especially if they have sleep problems.

The organization adds that digital eye strain can occur due to glare from digital screens, poor lighting, and uncorrected vision problems. The AOA says digital eye strain can lead to the following symptoms:. Learn more about whether blue light glasses can protect vision health here. Gunnar glasses provide various styles of frames to accommodate blue light lenses, which help filter out blue light from screens.

The company offers these frames for children as well as adults. A person does not need a prescription to add these specialized lenses to their frames. Prolonged periods of screen time can lead to a condition called computer eye strain.

This is sometimes known as computer vision syndrome. Learn more…. You can even sort by popularity to see which looks are selling well. These categories mostly identify which glasses are compatible with audio headsets. If ordering prescription lenses, make sure to have your prescription from your eye doctor on-hand, including your pupillary distance, or PD.

Nonprescription orders typically take 5 to 7 business days to process, and prescription orders up to 21 business days. Once shipped, your order should reach you in another 3 to 5 business days. They also give you 30 days from the date of purchase to receive a refund. Gunnar has a strong reputation, especially within the gaming community, where blue-light-blocking glasses are popular.

Plus, the website has been praised by customers for its ease of use. The company has an average rating of 4. Many customers report liking the sturdy build of the glasses and that wearing them alleviates some of the discomforts of dry, strained eyes.

Some reviewers state that their glasses took a few days of getting used to. A handful of customers mention they were unhappy with the fit of the glasses, claiming they make it difficult to see the screen.

Johanna Sorrentino is a writer, editor, and wayfarer. Her appetite for empowering information and great storytelling is matched only by her appetite for cheese and chocolate. Learn more about her at johannasorrentino.

Most exposure to blue light is from the sun, but some health experts have raised questions about whether artificial blue light could be damaging your…. By blocking blue light in the evening, you can prevent the disruption in the natural sleep-wake cycle caused by artificial lighting and electronics. Do blue light glasses work? Read what the research says and learn how you can change your lifestyle and technology use to reduce blue light exposure….

Looking for blue-light-filtering glasses for kids? Here are eight to consider and what to know for healthy eyes and less eye strain. There are several things you can do yourself to improve the fit of your glasses. We explain how to adjust your own glasses and when to see a….

Blurry vision after eating can be an early symptom of diabetes mellitus. That means you're staring at a screen for hours on end. While you may worry more about other physical and mental effects on your body during extended gaming sessions, one aspect of your health you should also consider is your vision. There's actually a condition called Computer Vision Syndrome , which has become increasingly common as people incorporate more screens into their daily lives — whether they identify as gamers or not.

According to the American Optometric Association, symptoms of this condition include eyestrain, headaches, dry eyes, blurred vision, and even neck and shoulder pain. Some people have tried to combat these symptoms by wearing gaming glasses. But what really happens when you put on a pair of gaming glasses? Do they truly help? Or can prolonged use result in additional health problems? One of the supposed advantages gamer glasses offer is reduced exposure to blue light.

Blue light, part of the light spectrum that's visible to humans, has a short, high-energy wavelength that penetrates to your retinas. Natural blue light also governs your circadian rhythms, so it can disturb your sleeping and waking cycles. Because your eyes' natural filters don't sufficiently protect from blue light rays, some researchers believe long exposure may cause retinal damage and macular degeneration.

LED light, particularly, emits strong blue light waves.



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