Technical Articles

What is BS EN 166702020?


In today's fast-paced world, safety is of utmost importance in all aspects of life. Whether it's at home, in the workplace, or during recreational activities, protecting our eyes from potential hazards is vital. One standard that plays a significant role in ensuring eye protection is BS EN 166702020. In this article, we will explore what BS EN 166702020 is, its significance, and how it contributes to safeguarding our vision.

Understanding BS EN 166702020

BS EN 166702020, also known as the European Standard for Eye Protection, sets the requirements and guidelines for manufacturing and testing eyewear. This standard encompasses various aspects, including the materials used, optical properties, mechanical strength, and resistance against impact, chemical substances, and heat damage.

The primary objective of BS EN 166702020 is to guarantee adequate protection for users in different working environments where eye injuries are common risks. This could include industrial settings, laboratories, construction sites, and even everyday activities such as DIY projects or gardening.

Key Features and Benefits

Materials and Optical Clarity

Under BS EN 166702020, eyewear manufacturers must use high-quality materials that provide excellent optical clarity. The lenses should be free from distortions and imperfections that may hinder vision. By complying with this standard, eyewear ensures clear visibility while protecting the eyes from external elements.

Mechanical Strength and Impact Resistance

One crucial aspect of BS EN 166702020 is the requirement for eyewear to possess sufficient mechanical strength and impact resistance. Eyewear passing the tests specified in the standard can withstand various objects propelled towards the eyes, reducing the risk of severe eye injuries caused by impacts.

Chemical and Heat Resistance

Eyewear meeting BS EN 166702020 undergoes testing to demonstrate its resistance against hazardous chemicals and heat. This is especially important for individuals working in industries where harmful substances or high temperatures are prevalent. By wearing eyewear that adheres to this standard, workers can safeguard their eyes from potential harm.


With eye protection being paramount in ensuring personal safety, BS EN 166702020 plays a significant role in upholding proper standards for eyewear. Its comprehensive guidelines and testing procedures ensure that the manufactured eyewear offers optimal protection against various hazards. By understanding and choosing products complying with BS EN 166702020, we can prioritize safety and reduce the risk of eye injuries in different environments. So, let's remember to prioritize our eye health by wearing appropriate eyewear.


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