Glossary of Laser Terms-M

 Macula  

The small, uniquely pigmented and specialized area of the retina.

Maintenance  

Performance of those adjustments or procedures specified in user information provided by the manufacturer with the laser or laser system, which are to be performed by the user to ensure the intended performance of the product. It does not include operation or service as defined in this glossary.

Maximum Permissible Exposure (MPE)    

The level of laser radiation to which a person may be exposed without hazardous effect or adverse biological changes in the eye or skin