Do you need laser goggles when operating a fiber laser?

May 16, 2025

If you work with fiber lasers, it's vital to always wear the correct laser safety glasses and other protective gear.

Fiber lasers may cause serious damage to the eyes. The energy of the laser is highly concentrated, especially the high-power fiber laser, which can instantly focus on the retina and cause retinal burns. The specific manifestations are:

Vision loss: Mild symptoms may cause blurred vision and distorted vision, and severe symptoms may lead to blindness.

Macula damage: The macula is the area with the sharpest vision on the retina. Once damaged by the laser, it will cause a devastating blow to the central vision.

In addition to causing harm to the eyes, fiber lasers can also cause harm to human skin.

Burns: High-power fiber lasers can instantly heat up the skin and cause skin burns. The degree of burns depends on factors such as the power of the laser, the exposure time and the distance. Mild burns may manifest as redness, swelling and pain, and severe burns may cause skin ulcers and infections.

Pigmentation: Even low-power lasers that irradiate the skin for a long time may cause skin pigmentation and darken the skin color.

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