Avoiding Eye Damage

In the time that it takes to blink an eye, laser radiation damage to the eye may have already occurred. Unprotected exposure to lasers can result in the development of cataracts or even a corneal burn, which can result in vision loss. If you are working with or around lasers, it is very important to understand the consequences of laser radiation exposure. We have decided to dedicate this post to educating you about laser beams and the safety precautions you should take when working around them.

Laser Beam Exposure

In addition to direct laser beam exposure, there are several other types of dangerous indirect laser beam exposures. Intra beam exposure occurs when the eye or skin is directly exposed to all or a part of the laser beam. It is also important to be careful of specular reflections. This is when the laser beam is reflected off mirror like surfaces. Reflections from flat mirror surfaces can be as harmful as exposure to a direct laser beam. Curved mirror surfaces decrease the intensity of the beam, but there is a larger area for possible laser radiation exposure. Diffuse reflections happen with surfaces that reflect the beam in many directions. Because the beam is reflected in so many directions, this exposure does not have the same power and energy of a direct beam. It is important to keep in mind that diffuse reflections are still harmful.

Determine The Appropriate Protection

Fortunately, wearing laser safety glasses or goggles can protect the eyes from the risks that lasers pose. These laser safety glasses and goggles provide protection from reflected laser light and direct beam exposure. Laser safety eyewear is available for different wavelength ranges and for specific types of lasers. It is recommended that you find out the class of the laser you are working with as well as the appropriate wavelength range to ensure the best possible protection.

We can’t emphasize enough how important it is to protect your eyes and yourself from the harmful effects of laser radiation. Remember, the damage done to the eyes from laser radiation exposure can be permanent!

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