| Presentation | 2020-12-22 Questionnaire survey on visual acuity of undergraduate students under remote learning due to the spread of COVID-19 - Examination of the effect of smartphone screen-viewing time on visual acuity- Yukyu Araragi, Hiroyuki Ito, |
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| PDF Download Page |  PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | Myopia is the most common disorder in human eyes. Previous studies have reported that decrease in outdoor activity time was one of the factors of myopia. We performed a questionnaire survey on reduction in visual acuity of Japanese undergraduate students under remote learning due to the spread of COVID-19. Fifty percent of 112 undergraduate students reported feeling or having the test results of reduced visual acuity. A multi-regression analysis showed a significant tendency of feeling or having the test results of reduced visual acuity due to increased smartphone screen-viewing time. χ2 tests showed that more than three hours of smartphone screen-viewing time led to the feeling of reduced visual acuity. These results suggest that feeling of reduced visual acuity might be attributed to the extended smartphone screen-viewing time, not to the reduced outdoor time. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | Visual acuity / Myopia / COVID-19 / Smartphone / Undergraduate and graduate students / Remote classes / State of emergency / Outdoor time |
| Paper # | HIP2020-53 |
| Date of Issue | 2020-12-15 (HIP) |
| Conference Information | |
| Committee | HIP |
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| Conference Date | 2020/12/22(2days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Online |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Chair | Shuichi Sakamoto(Tohoku Univ.) |
| Vice Chair | Yuji Wada(Ritsumeikan Univ.) / Sachiko Kiyokawa(Nagoya Univ.) |
| Secretary | Yuji Wada(NICT) / Sachiko Kiyokawa(NTT) |
| Assistant | Hidetoshi Kanaya(Ritsumeikan Univ.) / Yuki Yamada(Kyushu Univ.) |
| Paper Information | |
| Registration To | Technical Committee on Human Information Processing |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Questionnaire survey on visual acuity of undergraduate students under remote learning due to the spread of COVID-19 - Examination of the effect of smartphone screen-viewing time on visual acuity- |
| Sub Title (in English) | |
| Keyword(1) | Visual acuity |
| Keyword(2) | Myopia |
| Keyword(3) | COVID-19 |
| Keyword(4) | Smartphone |
| Keyword(5) | Undergraduate and graduate students |
| Keyword(6) | Remote classes |
| Keyword(7) | State of emergency |
| Keyword(8) | Outdoor time |
| 1st Author's Name | Yukyu Araragi |
| 1st Author's Affiliation | Shimane University(Shimane Univ.) |
| 2nd Author's Name | Hiroyuki Ito |
| 2nd Author's Affiliation | Kyushu University(Kyushu Univ.) |
| Date | 2020-12-22 |
| Paper # | HIP2020-53 |
| Volume (vol) | vol.120 |
| Number (no) | HIP-306 |
| Page | pp.pp.1-3(HIP), |
| #Pages | 3 |
| Date of Issue | 2020-12-15 (HIP) |