Welding light cannot be seen directly with the naked eye. When a worker is doing welding work, the electric welding gun emits a strong light. Eye protection must be worn, otherwise this operation is extremely dangerous. The light emitted by electric welding contains high-intensity ultraviolet rays, which can stab the retina and cause blindness in severe cases. In addition, there are many wrong operations that can cause eye hazards. So, how does the eye work? What are the potential hazards?
The working mechanism of the eye
The brain controls eye movements.
Pupil reflection: The pupil allows the eye to adapt to the light level (expanding in the dark can lead to better vision), and its diameter changes with brightness to adjust the light. Fatigue can cause headaches.
Accommodative reflex: The lens can focus the eye through a small muscle; when this muscle is weakened, it can cause myopia. The curvature of the lens will cause focusing (far objects = smaller curvature).
Convergent reflections: the eyes synchronize nearsightedness and run parallel to distant objects.
Retina: The "film" in the "camera" of the eye; the tissue at the back of the eye uses signals to transmit received images to the brain through electrical impulses in the optic nerve.
Why do you need to protect your eyes
Mechanical operations, chemical and biological substances, and electric current will all cause potential damage to the eyes: corneal perforation, iron skin disease, retinal scars, acute conjunctivitis, cataracts, blindness, etc. are among them.
Among them, the causes of some accidents have a lot to do with not wearing goggles properly, not taking care of them properly, and wearing inappropriate goggles.
