Do Blue Light Glasses Really Work? What You Need to Know

Blue light glasses are everywhere, promoted as a solution to tired eyes, disrupted sleep, and screen headaches. But do blue light glasses really work? Or are they just another eyewear trend?

Let’s take a closer look at what the evidence says, what these lenses actually do, and whether they’re a smart investment.

What Is Blue Light?

Blue light is part of the visible light spectrum and comes from both natural and artificial sources. Sunlight is the biggest source, but we also get blue light from phones, tablets, laptops and LED lighting.

Compared to other types of light, blue light has more energy and can scatter more easily. That’s why it contributes to digital eye strain when you spend hours looking at a screen.

What Are Blue Light Glasses Supposed to Do?

Blue light glasses are designed to filter out a portion of the high-energy blue light emitted by screens and LED lighting. They're often marketed as helpful for:

• Reducing eye strain

• Improving sleep quality

• Lowering the risk of long-term damage to the eyes

  
  

But what does the science say?

So Do Blue Light Glasses Really Work?

Research shows blue light lenses can slightly reduce digital eye strain for some people, especially those spending long hours in front of screens. But the effect is not dramatic. They don’t prevent eye disease or offer complete protection against fatigue.

When it comes to sleep, blue light does affect your natural sleep cycle, particularly if you use screens late at night. Blue light glasses might help reduce this impact, but better results come from adjusting screen time habits and limiting exposure in the hour before bed.

Are Blue Light Glasses Worth It?

Blue light glasses might be helpful if:

• You work on a screen for most of the day

• You get regular headaches or sore eyes after computer use

• You struggle to sleep after evening screen exposure

  
  

They're unlikely to solve everything, but they may reduce mild discomfort and improve your screen habits overall. So are blue light glasses worth it? For some, yes. Especially if you’re combining them with other screen-smart habits.

Other Ways to Protect Your Eyes

If you’re dealing with digital eye strain, glasses aren’t the only solution. You can also:

• Follow the 20-20-20 rule: every 20 minutes, look at something 20 feet away for 20 seconds

• Use proper lighting and reduce screen glare

• Adjust screen brightness to match your environment

• Maintain a comfortable distance from your screen

  
  

If symptoms continue, it might be time for an eye test to rule out prescription issues or early signs of eye fatigue.

How Aristone Optical Can Help

At Aristone Optical in Fulham, we help people across London find practical, effective solutions for eye strain. If you’re curious about blue light glasses, we can talk you through the pros and cons, and help you decide whether they’re right for you.

We also offer full eye exams and advice on screen-related vision issues. If you do need prescription glasses, we can include blue light protection in your lenses.

Thinking About Blue Light Glasses?

Let us help you figure out what will actually benefit your eyes. Contact us today to book a consultation or visit us in Fulham to browse our full range of frames, lenses and coatings.

Looking to refresh your frames too? Check out our glasses brands page to explore styles that work for you.