Light ergonomics is a way of arranging and designing lighting in a room, so that it makes people feel comfortable and helps them see things without straining their eyes.
Imagine you have a toy that you want to play with in your room, but it's too dark and you can't see anything. So, you turn on the lamp and feel much better because now you can see everything clearly. However, if the lamp is positioned in a way that makes your eyes hurt or makes some parts of the toy too bright or too dark, it can be uncomfortable for you to play with it.
That's where light ergonomics comes in - it's like arranging the lamp and the toy in a way that makes it easy for you to play with, without hurting your eyes or making any part of the toy too bright or too dark. You can achieve this by using different kinds of lighting sources, like ceiling lights, table lamps, window light, etc., and by positioning them in a way that helps you see everything properly.
Light ergonomics isn't just about making the room look good or creating a certain atmosphere - it's also about protecting your eyes and your body from strain and fatigue. By designing the lighting in a way that is comfortable and effective, you can make sure that you're able to use the room without hurting yourself.