A laser is a device that emits a concentrated beam of light through a process called stimulated emission.
A mouse laser is typically much weaker than a laser pen and is designed for tracking movements on a computer screen. A laser pen, on the other hand, is designed to produce a visible beam of light and can be much more powerful.
In general, the laser from a mouse is not harmful to humans. It is considered safe because it is low-powered and the beam is not strong enough to cause damage to the eyes or skin.
While the laser from a mouse is not powerful enough to cause eye damage, staring directly into any laser for an extended period of time can cause temporary visual disturbances or even damage to the retina. It is important to avoid direct exposure to any laser beam, including those from a mouse.
It is always recommended to avoid direct exposure to any laser beam, including those from a mouse. Additionally, make sure to follow the manufacturer's instructions and never tamper with the device. If you experience any discomfort or visual disturbances while using a laser mouse, stop using it immediately and consult a doctor if necessary.