There is plenty of research to support the idea that reducing anti blue light glasses exposure from screens can reduce eye strain and improve sleep quality. And, indeed, many optometrists recommend blue light glasses to patients who are worried about their screen time negatively impacting their eyes.

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Specifically, blue light filters are designed to absorb a percentage of the high-energy blue wavelengths found in LED and LCD screens. They do this by coating the lenses with a special layer. The higher the quality of the lens, the more blue light it is able to filter. This means that when shopping for blue light glasses, you’ll need to look at the label and ask the seller for the brand spectrum report – they will be able to show you the exact percentage of blue light that the lenses filter.

However, it’s important to note that these glasses do not prevent retinal damage. This is because the levels of blue light emitted by screens are not high enough to cause retinal damage in humans. It’s also worth bearing in mind that blue light isn’t necessarily bad for your eyes – it helps us distinguish between day and night and regulates our circadian rhythm.

If you’re concerned about the impact of your screen use on your health, then the first step is to book an appointment with your local optician. They can assess your symptoms and advise on the best glasses or lenses for you.