To prevent eye strain, you should keep your eyes less than one inch from your phone screen at all times.
https://media.mstdn.social/media_attachments/files/113/635/159/560/011/415/original/0bf6505824bbafbd.png
GNU social JP is a social network, courtesy of GNU social JP管理人. It runs on GNU social, version 2.0.2-dev, available under the GNU Affero General Public License.
All GNU social JP content and data are available under the Creative Commons Attribution 3.0 license.