Myopia-prevention book

An anti-myopia and notebook technology, applied in bookkeeping, printing, books, etc., can solve problems such as myopia, forward focus of vision, and excessive contraction of ciliary muscle, so as to improve the visual environment, prevent myopia, and avoid excessive shrinkage effect

Inactive Publication Date: 2012-01-11
陆乃炽
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

People often only pursue the maximum brightness contrast between white and black characters, but ignore the biggest shortcoming of visual fatigue caused by white light: books with increasingly white paper will reflect strong

Method used

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Embodiment Construction

[0009] The invention mainly reduces the intensity of the reflected light of the paper and increases the color tone of the reflected light through the specific selective absorption effect of the book paper on the illuminating light. In the paper production process, an appropriate amount of yellow dye can be added to the pulp during internal sizing, or an appropriate amount of dye can be added to the sizing material during surface sizing, and it can also be printed on white paper. The amount of dye depends on the paper or paper quality. It is determined that the yellow light within the main wavelength of 560-590 nanometers of the reflected light of the product shall prevail. Then the specific color of the paper is printed into a book.

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Abstract

The invention provides a myopia-prevention book, which is characterized in that during the manufacture of the existing book, yellow paper is adopted for printing, the yellow paper reflects yellow light with the main wavelength within 560 to 590nm, a specific light filtering effect is realized, and the book paper reflection light intensity and color can be changed. The myopia-prevention book has the advantages that the brightness contrast of black characters on the yellow paper can completely meet the visual requirements, the intensity of reflection light of the white book paper is greatly reduced, environment factors for causing the myopia are eliminated, and the positive effect of preventing the myopia through improving the visual environment is realized.

Description

Technical field: [0001] The invention relates to a book for preventing myopia, in particular to reduce the intensity of reflected light and increase the color tone of reflected light by changing the paper color of the book, which is expected to improve the visual environment and prevent myopia. Background technique: [0002] "Improving the visual environment to prevent myopia" (author: Lu Naichi) on page 292 of the fourth issue of "China School Health" magazine in 1996 pointed out that visual fatigue is different in different visual environments. During the learning process of reading and writing, students' eyes are exposed to the white light reflected by the paper, that is, they use the brightness contrast of black and white characters to perceive the shape of black characters. People often only pursue the maximum brightness contrast between white and black characters, but ignore the biggest shortcoming of visual fatigue caused by white light: books with increasingly white ...

Claims

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Application Information

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IPC IPC(8): B42D12/00
Inventor 陆乃炽
Owner 陆乃炽
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