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Shortsightedness prevention books and printing technology

A technology for preventing myopia and bookkeeping, which is applied in printing, bookkeeping, ophthalmology treatment, etc. It can solve the problems of increasing the process, unusable white paper, and increasing the cost of papermaking, and achieves the effect of reducing manufacturing costs and achieving significant curative effects

Inactive Publication Date: 2004-10-20
曹平
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But at the same time, some new problems have been brought about. Due to the limitation of paper color, on the one hand, paper-making enterprises have to increase the process, and the cost of paper-making has increased, which has increased the cost of student booklets, which has increased the burden on the parents of students. It has brought great inconvenience, making a large amount of white paper in normal use unusable

Method used

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  • Shortsightedness prevention books and printing technology
  • Shortsightedness prevention books and printing technology

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Example 1: see figure 1 An exercise book for students. Including the page 1 assembled into the exercise book, there is a background color 2 between the exercise frame printed on the exercise book page 1 and the exercise book page 1. The base color 2 covers 80% of the exercise book page 1, and the four sides of the table are the primary colors of the paper. The base color 2 spectral wavelength is 550-560nm.

Embodiment 2

[0024] Embodiment 2: An exercise book for students. Including the page 1 assembled into the exercise book, there is a background color 2 between the exercise frame printed on the exercise book page 1 and the exercise book page 1. The base color covers 100% of the book page. The wavelength of the background color spectrum is 530-580nm. The background color 2 in the same page can be multi-colored, from light to dark in white, yellow and green.

Embodiment 3

[0025] Embodiment 3: the printing process of myopia prevention student's exercise book comprises:

[0026] A. Typesetting and plate making;

[0027] B. Modulation of ink; the deployment method of ink: 80% of yellow ink, 15% of red ink, and 5% of the rest.

[0028] C. Printing; the minimum number of printings is one time; all screens are printed on page 1; the number of printing dot lines is 24-80 lines / cm. The coverage of the printing dot area is between 0-50%.

[0029] D. Binding into a book. The base color 2 of page 1 assembled into a booklet is multi-colored in the same book.

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Abstract

A book for preventing myopia features that its each page is printed by a base color, which optical wavelength is 510-610 mm for eliminating the useless reflected light from page and relaxing vision fatigue, so preventing myopia.

Description

Technical field: [0001] The invention mainly relates to books for teaching, in particular to books for preventing myopia and its printing process. Background technique: [0002] In recent years, due to the thirst for science and technology, people need to read a lot of materials. Students not only need to read a lot of textbooks and extracurricular readings, but also do a lot of exercises. Therefore, the prevalence of myopia remains high. According to relevant reports, among the population of my country, 22.7% of primary school students suffer from myopia, 55.22% of junior high school students, 70.34% of high school students, and 76.74% of college students. In the ranking of the myopia rate of students in the world, the proportion of our country ranks second. For this reason, many experts have conducted research and analysis on this, and it is generally believed that vision will produce fatigue after long hours of work, and many suggestions and methods have been proposed. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61F9/00B42D12/00
Inventor 曹平
Owner 曹平
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