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.

Blue light and the circadian rhythm. Exposure to blue light is detected by the eyes and signals the pineal gland to suppress the secretion of the hormone. Early research shows that too much exposure to blue light could lead to. 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.

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. You can also use artificial tears to refresh your eyes when they feel dry. 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. Blue light exposure may increase the risk of macular degeneration.

Parts of the eye. Cindy tolbert of atlanta had a variety of vision problems and spent an extra 140 at the eye doctor for blue light lens. Every 20 minutes shift your eyes to look at an object at least 20 feet away for at least 20 seconds. Blue light from computer screens and digital devices can decrease contrast leading to digital eyestrain.