Primary pulp notebook capable of preventing myopia

Abstract

The invention discloses a primary pulp notebook capable of preventing myopia. The primary pulp notebook capable of preventing myopia comprises covers and myopia-preventing paper, wherein the myopia-preventing paper is primary pulp paper and is white. Compared with white paper with whiteness higher than 90%, the primary pulp notebook capable of preventing myopia has the advantages that the whiteness is lower, the amount of light received by eyes of youngsters in unit time is smaller on the premise that clear reading is guaranteed, restraint on the visual function of the eyes is weaker, fatigue of the eyes can be effectively relieved, the probability of myopia is lowered, and people suffering from pseudomyopia can recover automatically. According to the primary pulp notebook capable of preventing myopia, the opaqueness of the notebook is higher than 80%, in this way, myopia is prevented, the situation that mutual interference is caused when both sides of paper are printed with characters can be effectively avoided, and clear reading is facilitated; ash black printing characters are adopted, the brightness contract between paper and the characters can be further reduced, the restraint on the color sense function is reduced, fatigue of the eyes is relieved, the probability of myopia is lowered, and people suffering from pseudomyopia can recover automatically.

Description

technical field [0001] The invention belongs to the field of papermaking, in particular to a raw pulp paper book for preventing myopia. Background technique [0002] According to reports, the incidence of myopia among teenagers in my country is as high as 60%, ranking first in the world, and it is also increasing at a rate of 10% per year, which has aroused people's great concern. The main reason for the onset of myopia in teenagers is that teenagers are under too much study pressure. Teenagers need to face books for a long time in order to study, and they use their eyes too hard. [0003] According to the inventor's investigation, in order to ensure the clarity of reading, the workbooks currently on the market are usually bound by high-reflective white paper that has been bleached or added with excessive brighteners, and its whiteness is often higher than 90%. Due to the strong reflective ability of paper, the paper and fonts can cause excessive brightness contrast, and th...

AI Technical Summary

Problems solved by technology

Long-term use of highly reflective white paper will inhibit the color vision function of the eyes, reduce visual ability, make the eyes tired, and lead to the occurrence of myopia