Is Blue Light Actually Bad For Your Eyes

Before the technological age blue light primarily came from sunlight.

Is blue light actually bad for your eyes.

Every 20 minutes shift your eyes to look at an object at least 20 feet away for at least 20 seconds. Human eyes have receptors that contain a photopigment called melanopsin that is sensitive to blue light. Early research shows that too much exposure to blue light could lead to. Blue light exposure may increase the risk of macular degeneration.

The fact that blue light penetrates all the way to the retina the inner lining of the back of the eye is important because laboratory studies have shown that too much exposure to blue light can damage light sensitive cells in the retina. Cindy tolbert of atlanta had a variety of vision problems and spent an extra 140 at the eye doctor for blue light lens. You can also use artificial tears to refresh your eyes when they feel dry. The best way to protect your eyes against eye strain from blue light in devices is to take regular breaks using the 20 20 20 rule.

Blue light from computer screens and digital devices can decrease contrast leading to digital eyestrain. Animal studies at ohio state university show that even exposure to relatively dim light about the brightness of a child s nightlight 3 feet from the eyes over 8 weeks has a measurable. Fatigue dry eyes bad lighting or how you sit in front of the computer can cause eyestrain. It s not terribly apparent that the glasses help when you re wearing.