What Parents Know About Students’ Vision Preserving
Table 4: If your child is short-sighted up to 3 dioptrias, how to use spectacles correctly? (choose one correct answer)
| Answer | Number of respondents (%) |
| Not to remove spectacles when reading and writing and also when looking afar | 28 |
| Look afar in spectacles, remove (rise) them when reading and writing | 42 |
| I don't know | 15 |