Phone: 01462 675200

Do safety glasses affect your vision?

  Essential Safety Wear   Jul 30, 2018   Blog   0 Comment


While safety glasses are essential to protect your eyes against dust and debris in the air and can, indeed, save your eyes from serious damage. There has been ongoing speculation as to whether safety glasses can have a negative affect on your vision. This concern essentially stems from the affects on looking through a plastic lens and whether this can have an impact on your sight long-term.

In essence though, wearing safety glasses all day is similar to looking through plastic sunglasses all day long, which is not often reported as having ill-effects on the eyes. The alternative of having too many UV rays in the eyes is essentially worse.

You should make sure you choose a pair of safety glasses that comply with quality standards and offer a good fit. That way, you are protecting yourself against any negative affects on the eye but are also adhering to safety precautions to protect your eyes in the workplace.

Good quality safety glasses will offer an adjustable fit and will cover the whole of the eye. They will also be labelled with a complying safety standard.

The safety standards to look out for when purchasing your eye protection are:

  • EN 166: 2002
  • EN 167: 2002
  • EN 168: 2002

The optical tests in EN 167 ensure that the safety spectacles will not unacceptably distort the vision of the wearer.


How safety glasses are tested?

 Safety glasses must offer a higher level of impact resistance than standard spectacles. This increased level of resistance must be true to both the lens and the spectacle frame.

The resistance of safety glasses is tested with a 650 ºC steel rod applied to various points of the spectacles to make sure the spectacles do not ignite.

In order to test the robustness of the spectacles, they must be able to withstand a force of 10kg applied with a 122mm steel ball. This is done at both high and low temperatures.

Safety spectacles are tested for corrosion resistance by being left in salt (sodium chloride) at boiling and room temperature. The spectacles are then dried off and 24 hours later, they are inspected for any changes/ corrosion.


Why should you wear goggles while working with chemicals and glassware?

 There is no question that safety goggles or spectacles must be worn when working with chemicals and glassware. Safety goggles protect your eyes from hot objects, flying debris and harmful chemical substances that can affect your sight.


Do clear safety glasses have UV protection?

There is some UV protection in all glasses. Apparently, reading glasses with no protective properties can reduce the light reaching the eye by 10%, while lightly tinted reading glasses can reduce the light by 40%.

Some safety glasses are tested with light beams to test their UV protection.


What do safety glasses do?

 Safety glasses at their most basic protect your eyes from flying debris and hot objects, as well as chemicals and more.

Safety glasses are often included in the health and safety procedures on site to protect employers where their sight could be potentially in danger or if there is any potential of eye damage.

 Browse our range of safety goggles, glasses and spectacles from Essential Safety Wear. They’re high-quality and great value.

Comments are closed.

Essential Safety Wear are Leading Health and Safety Clothing Suppliers
  • Recent Reviews

    Jenny Barwell
    Jenny Barwell
    08:44 02 Jul 15
    Arena Personnel Ltd supply industrial temporary staff to warehouses and factories in Herts and Beds. We are often required purchase dust jackets, goggles, safety boots etc for our temporary workers and choose Essential Safety Wear every time. Nothing is too much trouble for Belle and Chris and they are always able to supply us at very short notice. On one occasion the items had to be at our office with only a couple of hours notice; we were unable to go and collect them but Chris offered to deliver them personally.Belle and Chris exceed in customer service. They are always polite, helpful and friendly and a pleasure to work with.
    EWS Gmail
    EWS Gmail
    08:01 25 Jun 15
    Essential Safety Wear are extremely accommodating to our requirements, always providing the highest quality equipment & clothing in a very short space of time. All of the staff are professional & courteous and always provide an excellent service. I would recommend using Essential Safety Wear due to their high quality and adaptability always producing the required result when expected.
    Darren Rogers
    Darren Rogers
    08:58 24 Jun 15
    I have been using Essential Safetywear as a supplier since their conception. Chris and his team are always willing to go the extra mile and to provide the service I expect from a supplier. In addition, he is always willing to purchase items that are "off catalogue" so that I can satisfy the needs of my biggest customer. Keep up the good work Chris and let's hope we continue to work together for many more years to come. Darren Rogers. Regional Partnering Manager for Buildbase.
    Mark Hodder
    Mark Hodder
    08:58 19 Jun 15
    Having worked with Essential Safety Wear for nearly 5 years, we never fail to be impressed with their products and service. From PPE and uniforms to vehicle signwriting, the teams' willingness to assist us with the most unusual requests keeps us coming back to them with every new project. Cannot recommend enough- ESW provide an A-class service!
    Next Reviews
  • Address

     Unit 3 Oakfield Business Corner
    Works Road
    SG6 1FB


     01462 675200


     Essential Safety Wear Limited.
    Company Reg No. 06032668