Title:
VISUAL ACUITY CORRECTION CALENDAR (T.833) AND VISUAL ACUITY CORRECTION CALENDAR (T.834)
Document Type and Number:
Japanese Patent JP2020189479
Kind Code:
A
Abstract:
To provide a visual acuity correction calendar which solves a problem in which visual acuity of a person who has been familiar with writing of sentences in a light line since the person was in elementary school worsens from 1.5° to 0.3° or less, and makes the person nearsightedness (astigmatism), and thereby the person needs to wear glasses.SOLUTION: There is provided a calendar made by the advice of a school teacher that watching distant place will naturally heal nearsightedness (including astigmatism), the calendar on which numbers and characters are written in a light line is adhered by the side of a blackboard of a classroom, and watching the characters everyday restores the visual acuity of people from 0.3° to 0.8° or more everyday, and thus, the calendar is named as a visual acuity correction calendar, and the problem is solved by this calendar.SELECTED DRAWING: Figure 1
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Inventors:
ONISHI MASAMITSU
Application Number:
JP2019122344A
Publication Date:
November 26, 2020
Filing Date:
May 22, 2019
Export Citation:
Assignee:
ONISHI MASAMITSU
International Classes:
B42D5/04; A61H5/00