Sunlight is the main source of blue light, and during the day most of us are exposed to it outdoors. But the display screens of these computers, laptop, smartphone and other digital devices also emit a lot of blue light, many ophthalmologists and optometry professionals worry about the long-term effects of blue light on eye health.
Blue light can cause digital eyestrain.
This unfocused visual "distraction" reduces contrast and can lead to digital visual fatigue, when you stare at computer screens and other digital devices that emit a lot of blue light, This is because short-wave high-energy blue light scatters more easily than other visible light and is therefore less likely to be focused.
Blue light protection may even be more important after cataract surgery.
During the normal aging process, the eye's natural crystal body will also block some short wavelength blue light. After cataract surgery, you need to choose anti-blue light filters to protect your eyes.
These blue lights are most likely to damage the retina and cause macular degeneration and vision loss.
Blue light cause ocular discomfort and blurred vision.
if you've had prolonged signs and symptoms of dry eyes, including red, irritated, tired or painful eyes.
Inadequate tear production or lid gland dysfunction can lead to dry eye - an often chronic condition in which the surface of the eye is not properly lubricated and becomes irritated and inflamed.