What’s wrong with LED lights?

What’s wrong with LED lights?

Spanish research has shown that blue LED light can irreparably damage the cells in the eye's retina. … Eco-friendly LED lights may damage your eyes, according to new research.A study has discovered that exposure to LED lights can cause irreparable harm to the retina of the human eye.

How bright is 4500 lumens?

Choose lamps that have a total visible light output of 4500 lumens or less. This is equivalent to about four 60-watt (or one 250 watt) incandescent bulbs. That's a lot of light at night.