For visible-beam consumer lasers, there are four main classes. Each is described in more detail here: Class 2, Class 3R, Class 3B and Class 4. The first two Classes are relatively safe for eye exposure; the last two are hazardous. The chart below shows how the eye injury hazard increases as the laser’s power increases. Click chart for larger view

A Class 1 laser is safe under all conditions of normal use. This means the maximum permissible exposure (MPE) cannot be exceeded when viewing a laser with the naked eye or with the aid of typical magnifying optics (e.g. telescope or microscope). To verify compliance, the standard specifies the aperture and distance corresponding to the naked ...

Sep 14, 2018 · Class 1. Laser systems considered Class 1 are understood to be incapable of producing damaging radiation levels. Therefore, they are safe and are exempt from beam-hazard control measures. Class 1C. These laser products are designed explicitly for contact application to the skin or non-ocular tissue.

Aug 25, 2021 · Class 1 lasers are low-power lasers that are inherently safe. Class 1 laser products contain more powerful, higher class lasers that need to be enclosed to make them safe. For example, you could view the beam from a class 1 laser without any protective eyewear because the maximum permissible exposure (MPE) cannot be exceeded. However, exposing ...

Discusses laser safety in healthcare facilities and provides information on laser classification, laser hazards, and emphasizes the need for medical laser programs. Laser Effects on the Human Eye. OSHA and Laser Institute of America (LIA) Alliance, (November 2009). Focuses on the effect lasers have on the human eye. Laser Safety Checklist. OSHA ...

ultraviolet lasers cannot be Class 2 (or 2M). We are unaware of any Class 2M laser devices intended for consumer use. If you do have such a laser, consult a qualified Laser Safety Officer for more detailed analysis. Class 3R is either: (1) From 1 to 4.99 mW into a 7mm aperture (e.g., pupil of the eye) or (2) five times the Class 2 limit of 2. ...

There are seven levels of laser classification that include Class 1, Class 1M, Class 2, Class 2M, Class 3R, Class 3B, and Class 4. The details for classification are given in Section 3 and the associated tables in Z136.1-2014 (Ref 1).

CD-ROM readers and laser printers are class 1 lasers. This class includes high-power lasers within an enclosure that prevents exposure to radiation, and that cannot be opened without shutting down the laser.

Jan 17, 2020 · When you buy laser products, you should either get a class 1 laser machine or work with integrators who make sure your class 4 laser system is class 1 compliant. Here at Laserax, laser experts offer guidance to make sure all products are 100% laser safe, including laser fume extraction.

Class 1 lasers are very low risk and "safe under reasonably foreseeable use", including the use of optical instruments for intrabeam viewing. Class 1M lasers have wavelengths between 302.5 nm and 4000 nm, and are safe except when used with optical aids (e.g. binoculars).