Blog Hero

Are LED Lights Harmful to Eyes?

Book Appointment
A young person rubbing their eyes due to the strain for staring at a laptop screen.

From your phone screen to the lights in your kitchen, LEDs are a part of your daily life. It’s natural to wonder how all that light affects your eyes. As a practice committed to providing modern eye care services, we want to help you understand the relationship between LED technology and your vision health.

While LED lights are a useful technology, the blue light they emit can disrupt sleep patterns. The good news is that with awareness and simple habits, you can enjoy the benefits of LEDs while protecting your eyes. This proactive approach can help you maintain comfort in our modern, well-lit world.

The Connection Between LED Lights & Blue Light

When we discuss LED lights, we’re also talking about blue light. Modern LEDs produce more high-energy blue light compared to older incandescent bulbs.

What Is Blue Light?

Blue light is a color in the visible light spectrum that has a short wavelength and a high energy level. The sun is our biggest source of natural blue light, which helps regulate our sleep-wake cycles. However, we also get a lot of it from artificial sources.

Sources of Artificial Blue Light

You encounter artificial blue light from many digital devices and lighting sources in your home and office. Common sources include:

  • Smartphones & tablets
  • Computer monitors & laptops
  • Flat-screen televisions
  • LED light bulbs

Potential Effects of Blue Light on Your Eyes

While there isn’t much evidence that blue light exposure from a screen can cause digital eye strain, there may be a connection between exposure to blue light before bed and disruption to your sleep patterns.

How Blue Light Affects Your Sleep

Exposure to blue light, particularly in the evening, can disrupt your body’s natural sleep cycle. It can signal to your brain that it’s still daytime, which may make it more difficult to fall asleep. This can affect your overall quality of rest.

A person looking at their phone screen in bed.

How to Protect Your Eyes from LED Lights

You can take simple, proactive steps to reduce potential eye strain from LED lights and digital screens. These habits can help support your eye comfort throughout the day. Small adjustments to your routine can make a noticeable difference.

  1. Follow the 20-20-20 Rule: Every 20 minutes, take a 20-second break to look at something at least 20 feet away. This simple exercise, often called the 20-20-20 rule, helps your eye muscles relax and reset their focus.
  2. Adjust Device Settings: Many phones and computers have a “night mode” or a setting to warm up the screen color. This feature reduces blue light output, making the screen more comfortable to view in the evening.
  3. Use Proper Room Lighting: Make sure your room is well-lit when you use screens to reduce glare and harsh contrast. Avoid using a bright screen in a completely dark room.
  4. Position Your Screen: Place your computer screen about 25 inches—or an arm’s length—away from your face. The top of the screen should be slightly below your eye level for a more comfortable viewing angle.

When to Speak with an Eye Doctor in Pasadena

Preventative care is a key part of maintaining your vision for the long term. If you have concerns about eye strain or notice any changes in your vision, a conversation with a professional can provide clarity. It’s a positive step toward understanding your eye health.

Persistent Discomfort

If you experience ongoing headaches, persistent dry eyes, or blurred vision that doesn’t go away with rest, it’s a good time to schedule an appointment. An eye doctor in Pasadena can help identify the cause of your discomfort. We can work with you to find a solution that fits your lifestyle.

The Value of Routine Eye Exams

Regular eye exams are important for everyone, not just for people who wear glasses. These comprehensive eye exams help monitor your overall eye health and allow you to discuss any questions you have about your vision. It’s a simple way to be proactive about caring for your eyes.

Taking care of your eyes is an important part of your overall well-being. At Total Vision Pasadena, we’re here to support you with comprehensive eye care for your whole family. 

Schedule your next appointment with us today.

Written by Total Vision

instagram facebook facebook2 pinterest twitter google-plus google linkedin2 yelp youtube phone location calendar share2 link star-full star star-half chevron-right chevron-left chevron-down chevron-up envelope fax