When many people use the laser pointer, it is easy to dazzle their eyes accidentally. Can the laser pointer recover from the eye injury? In daily life, students have many channels to access laser pointers, such as laser pointers used by teachers for teaching, and toy laser pointers in stationery stores. Although laser pointers seem small, they can damage human eyes. Very serious.
Especially for some unqualified toy laser pointers, the rated power is much larger than the marked. In addition to the poor craftsmanship, it is mainly to satisfy the students' curiosity. How harmful is the toy laser pointer? At present, the blindness caused by the use of laser pointers by students can be said to be everywhere. It must arouse the attention of teachers and parents.
Using a 0.5 milliwatt laser pointer, if the laser is focused on the retina of a person, it will cause burns to the retina. It is not uncommon to be diagnosed as retinal damage and interruption of macular area continuity because the laser pointer is directed at the eyes and the vision is blurred. It can be seen that shooting the eyes directly with the laser pointer will cause serious consequences. Can a laser pointer recover from an eye injury? This is mainly related to the power of the laser pointer and the length of exposure time. If the power of the laser pointer is small, it will only be dazzled, and there will be no other damage besides causing vertigo.
If it is a laser pointer of the same power, irradiating the eye for more than 10 seconds, it will easily lead to the detachment of the cornea and retina. Even a minor injury will cause a sharp decline in vision, and the serious one is blindness. Therefore, if the green laser pointer hurts the eyes, the probability of recovery is only about 5-10%.
When using toy laser pointers, you need to learn more about campus safety, and you must tell them not to shoot people directly. If your eyes are not small after being irradiated by the laser light in the laser pointer, you must have regular health checks. For teachers who have been exposed to laser pointers for a long time, they must strictly abide by the rules of safe operation, and regularly check the fundus of the eyes, and do a good job of protection in time.