CN211884500U - 学生用防近视距离调节架 - Google Patents
学生用防近视距离调节架 Download PDFInfo
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- CN211884500U CN211884500U CN201821353020.7U CN201821353020U CN211884500U CN 211884500 U CN211884500 U CN 211884500U CN 201821353020 U CN201821353020 U CN 201821353020U CN 211884500 U CN211884500 U CN 211884500U
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- 208000001491 myopia Diseases 0.000 title claims abstract description 17
- 238000005192 partition Methods 0.000 claims description 9
- 230000000670 limiting effect Effects 0.000 claims description 8
- 230000003028 elevating effect Effects 0.000 abstract description 5
- 230000004379 myopia Effects 0.000 abstract description 5
- 230000002265 prevention Effects 0.000 abstract description 4
- 230000004438 eyesight Effects 0.000 description 7
- 210000003128 head Anatomy 0.000 description 4
- 208000003464 asthenopia Diseases 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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CN201821353020.7U CN211884500U (zh) | 2018-08-22 | 2018-08-22 | 学生用防近视距离调节架 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112914965A (zh) * | 2021-03-02 | 2021-06-08 | 广州深度视觉医疗科技有限公司 | 一种结合双眼信息处理的眼球运动视觉功能训练装置 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112914965A (zh) * | 2021-03-02 | 2021-06-08 | 广州深度视觉医疗科技有限公司 | 一种结合双眼信息处理的眼球运动视觉功能训练装置 |
CN112914965B (zh) * | 2021-03-02 | 2022-06-10 | 广州深度视觉医疗科技有限公司 | 一种结合双眼信息处理的眼球运动视觉功能训练装置 |
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Effective date of registration: 20211222 Address after: 221000 team 1, Yaozhuang village, qingshanquan Town, Jiawang District, Xuzhou City, Jiangsu Province Patentee after: Xuzhou dakuo Electric Trading Co.,Ltd. Address before: 221000 room 316, block A1, Huaihai culture and Technology Industrial Park, Shenchang, Gulou District, Xuzhou City, Jiangsu Province Patentee before: Jiangsu Shengfan Information Service Co.,Ltd. |
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Effective date of registration: 20230423 Address after: 404, 4th Floor, Building 3, Yard 9, Yunheyuan Road, Tongzhou District, Beijing, 101100 Patentee after: Beijing Shuimitian Youzhiyuan Education Technology Co.,Ltd. Address before: 221000 team 1, Yaozhuang village, qingshanquan Town, Jiawang District, Xuzhou City, Jiangsu Province Patentee before: Xuzhou dakuo Electric Trading Co.,Ltd. |
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Address after: 909, 9th Floor, Building 2, Courtyard 9, Yunyunyuan Road, Tongzhou District, Beijing, 101100 Patentee after: Beijing New Children's Source Education Technology Co.,Ltd. Country or region after: Zhong Guo Address before: 404, 4th Floor, Building 3, Yard 9, Yunheyuan Road, Tongzhou District, Beijing, 101100 Patentee before: Beijing Shuimitian Youzhiyuan Education Technology Co.,Ltd. Country or region before: Zhong Guo |