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Laser Safety Services > Laser Safety Training > Course 1 - Laser Hazard Awareness Training

Course 1 - Laser Hazard Awareness Training

Laser Hazard Awareness Training from LasermetCourse Content:

1. Hazard and Risk

Definition of the terms "hazard" and "risk". This is required as background to subsequent sections.

2. Laser Classification - the laser hazard

Description of the laser classes. What they mean in terms of hazard. Assumptions made when classifying lasers - the "worst reasonably foreseeable event". What the classification signs look like and what they say. What precautions should be taken.

3. The human eye

Brief description of the anatomy of the human eye. Definition of the optical spectrum. Response of the eye to optical radiation. Which tissues are affected by which wavelengths. The warning signs (visual, pain,) or the lack of them. The model of the human eye used in laser safety.

4. Assessing the risk of damage from laser light

Risk assessment. How likely is it that the laser hazard (which is known through classification) will lead to injury. "Maximum Permissible Exposures" how they are determined, what they mean. Distinction between collimated and divergent beams - the concept of "Nominal Ocular Hazard Distance" and its significance. When does a "dangerous laser" present no risk.

5. Biological damage from laser light

The damage mechanisms - photochemical - thermal as a function of wavelength. Differences between photochemical and thermal hazards. The effects of over exposure to laser radiation - to the retina, to the cornea, to skin as a function of wavelength and the resultant physical symptoms.

6. Reporting Procedures

The need to report a possible laser accident immediately and the need for a rapid response. Why this is a legal, not a medical requirement.

7. Laser Safety - The Company and the Individual

Safety is the joint responsibility of the Company and of its employees. The actions which should be undertaken by each party to ensure a safe environment (a laser safety programme) will be described.