Exercise book capable of preventing shortsightedness

Abstract

The invention relates to the technical field of school supplies and discloses an exercise book capable of preventing shortsightedness. The exercise book comprises a plurality of inner pages, magneticpowder, first ink coatings and second ink coatings, wherein the inner pages are disposed between two symmetrical covers, and the inner pages are in color capable of preventing shortsightedness; the magnetic powder is disposed on the two covers through adhesives, and the two covers can be mutually attracted through the magnetic powder; each first ink coating is disposed on the corresponding inner page, and the colors of the first ink coatings are different from those of the inner pages; and the second ink coatings are disposed on the first ink coatings or the inner pages. Under the condition ofno influence on normal use, the roughness of printed surfaces of the inner pages can be improved, the reflection factor of reflected light of the pages is lowered, thus stimulus of the page reflectedlight to eyes is reduced, the shortsightedness is prevented more effectively, corners of the exercise book are prevented from being folded when the exercise book is not in use, meanwhile students canbe reminded of making the exercise book moving upwards, and thus the a certain distance between the eyes and the exercise book can be kept.

Description

technical field [0001] The invention relates to the technical field of school supplies, in particular to a workbook for preventing myopia. Background technique [0002] Myopia is currently the most refractive eye disease with the highest incidence in the world. Adolescent myopia accounts for a large proportion of it, and its prevalence has increased significantly since the fifth and sixth grades of primary school. At present, a large number of studies have been carried out on the causes and influencing factors of myopia in young people, and it has been confirmed that working at close range for a long time is the main cause of myopia in young people. The eyeballs of adolescents are in the stage of growth and development, and the wall of the ball is more extensible. Long-term reading, writing and other close work make the outer muscles (mainly the medial rectus muscles) exert a certain pressure on the eyeballs, and the intraocular pressure also increases accordingly. , The ci...

AI Technical Summary

Problems solved by technology

[0003] Today's primary and middle school students have a lot of learning tasks, and they have to complete more homework every day, so they spend a long time facing the homework, but the ordinary homework is white, the brightness is particularly strong, and it is easy to cause visual confusion when students are writing homework. Fatigue, and another important reason for myopia among primary and middle school students is that they do not pay attention to their sitting posture, and their eyes are too close to their homework, so parents and teachers cannot always remind them; at the same time, when primary and middle school students do not use their homework, The corners of the homework book are often folded, making the homework book unattractive. Therefore, a homework book that can prevent and treat myopia is needed to meet the needs of the majority of primary and middle school students.

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