| 1 | How strong are your glasses?3 diopters. | |
| 2 | To observe the relation between diopter change with long - time use of different color paper in students. | |
| 3 | Such short-sighted in more than 8 diopter (commonly known as 300 degrees) about little more than 600 degrees. | |
| 4 | Conclusion The corneal thickness of myopia with high degree and supra high degree become thinner with the increase of refraction. | |
| 5 | Myopic vision to reduce ther ate of deterioration, to a certain extent, adult diopter down! |