Does the projector hurt your eyes or does the TV hurt your eyes?

Projector is less harmful to the eyes than TV, but if you don't pay attention to the use of time, distance, screen brightness can damage the eyes.

Projector uses the diffuse reflection principle, the light projected onto the screen, rather than directly into the eyes. In contrast, TV is direct light, easy to cause greater burden on the eyes. However, if the brightness and contrast of the projector is set too high, or the viewing distance is too close, it will cause greater damage to the eyes. In

addition, the degree of damage to the eyes of TV is also related to its brightness and contrast. If the brightness and contrast of the TV are set too high, the viewing distance is too close, or the viewing time is too long, it will cause damage to the eyes. Especially for younger viewers, because their eyes are still developing, watching TV for a long time or watching a high brightness screen may cause damage to the eyes.