The relations between a decline of facial muscular strength by the softening of foods and a decline of vision

食物软化导致的面部肌肉力量下降与视力下降之间的关系

• 批准号: 07838029
• 负责人: SHIMADA Akio
• 金额: $ 1.54万
• 依托单位: Miyazaki University
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Scientific Research (C)
• 财政年份: 1995
• 资助国家: 日本
• 起止时间: 1995 至 1997
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-07838029/
• 关键词: vision; food life; infant; occulusal force; occulusal pressure; area of occulusion; mastication; refraction; 咀しゃく; 軟食物; 咬耗; 視力低下

Visual acuity of young Japanese is decreasing for these 40 years or more, and the maximum of mean value of the vision is now 5 to 6 years of age. It has suggested that one of the cause of the decline is a decline of facial muscular strength, and the author tried to measured the vision and the occulusal force of kindergarden children, and also asked their food life by the questionnaire.The vision of the children were measured by the auto-refractometer and the occulusal force were mesured by the dental presucale method, and occulusal force, area of occulusion, occulusal pressure and the occulusal balance of right and left are discussed.The most of the children aged 5 to 6 years have milk teeth, but there were many cases who have no dental abrasion. It means that their food life is carried on the soft food, and their occulusal force have been distributed between 480N and 6N.Regardless of two years age difference at the maximum, there were no differences at the distributuion of the visuaal acuity and occulusal force. In the sensual evaluation of the hardness of the foods, TOFU was the typical soft food. But, some children evaluated it as a food with usual hardness. It suggest that there are many problems in their food life after the weaning. We have to concern the method of the prevention of a decline of vision and occulusal force in the infant life.

日本年轻人的视力在这40年或更长时间里不断下降，目前视力平均值的最大年龄是5至6岁。提示下降的原因之一是面部肌肉力量的下降，笔者尝试对幼儿园儿童进行视力和咬合力的测量，并通过问卷调查询问他们的饮食生活。儿童的视力采用自动验光仪测量，牙咬合力采用牙前盖法测量，并测量咬合力、咬合面积、咬合压力和咬合力。 5～6岁儿童大多有乳牙，但也有不少病例没有牙齿磨损。这意味着他们的食物生活是在软食上进行的，他们的咬合力分布在480N和6N之间。无论最大年龄相差两岁，视力和咬合力的分布都没有差异。在食品硬度的感官评价中，豆腐是典型的软质食品。但有些孩子评价它是普通硬度的食物。说明断奶后的饮食生活存在很多问题。我们必须关注预防婴儿期视力和咬合力下降的方法。