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Questions & Answers About Blue Light

Man at his desk staring into a computer screen in Hamilton

Our Optometrists Answer Your Questions About Blue Light and Computer Vision Syndrome

Q: What is Blue Light?

Blue light is a wavelength of light that is just below the visual spectrum. We can’t see it just like we can’t see ultraviolet light but it can cause eye strain. Blue Light happens naturally but it also happens from our screens,.

Q: What are the negative effects of Blue Light?

Blue light can disrupt our sleep schedules, cause headaches, eye fatigue, and glare.

Q: How can we counter the negative effects?

If you experience any of these symptoms while working on screens we recommend a pair of glasses that blocks the blue light.

Q: What can an OD do to help me in this area?

An OD can help determine if blue light is causing any digital eye strain and recommend the right type of blue blocking lenses.

Q: What is the relationship between Computer Vision Syndrome and Blue Light?

Often it is the Blue Light that is causing the Computer Vision Syndrome.

Q: How can I relieve eye strain from being on the computer all day?

There are glasses that can be prescribed with the correct power for the computer that will also block the Blue Light and help decrease the eye strain.

Q: How do you diagnose Computer Vision Syndrome?

We ask specific questions about visual tasks and measure what power someone needs to see at near.

Q: How do you treat Computer Vision Syndrome?

Computer Vision Syndrome can be treated with a combination of glasses that have a power to reduce the amount of work the eye has to do to focus at near and contact lenses that help block Blue Light.

Q: Can kids have Computer Vision Syndrome?

Kids can develop Computer Vision Syndrome. They are spending more time than ever on screens and we have ways to help them cope with this.

Q: If I wear glasses or contacts can I still have Computer Vision Syndrome?

People who have glasses or contacts can still have Computer Vision Syndrome. They may need a different power while working on the computer than they do for distance.

Q: Anything else you wish to say about Blue Light and what your practice does in that area?

Not all Blue Blocking Lenses are created equal. Some block a larger amount of wavelengths that could be causing eye strain. Others may only block a small portion. We have options of very good quality that block almost all of the harmful wavelengths.