White paper is inevitably added to bleach during the production process. Although the black characters on white paper will be clearer from a visual point of view, the white paper reflects strong light and is dazzling. It is not suitable for long reading. The original color of wood pulp is yellowish, and the color reduction degree of yellow paper is high, so it is not easy to hurt the eyes during use. The yellow paper with a specific brightness has a small reflected light wave spectrum, which can cause the strongest color vision with the smallest light wave.

Although it is slightly inferior to white paper in visual brightness, the visual environment it creates is more comfortable and safe.which is In other words, yellow paper is only less irritating to the eyes than white paper. As for preventing myopia, it is really not possible to change a piece of paper.

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