Eye Safety The Importance of Eye Safety Eye safety is extremely important and necessary if you want to keep your vision. DIY is one of the top causes of eye injuries and also the easiest to prevent. If you are using a lawn mover, saw, sander, drill, or any other power tool you need to wear safety eyeglasses. Eye injuries are the easiest to avoid wearing safety glasses is the simple solution. All you need to do to prevent eye injuries is to keep them covered. No matter what situation you are in, if protecting your eyes is involved there will be an eye protection product available. Astronaut Piers Sellers during the third spacewalk of STS-121, a demonstration of orbiter heat shield repair techniques. Safety specs have been specially designed and come in different shapes and sizes for the particular needs they are required. For example if you use power tools the protection should not only cover the front of the eyes but also cover the sides and top to prevent dust and grit particles from getting into the eyes. Many hardware stores sell shields that can easily be fitted over your normal glasses. These are ok to use however if you work with tools quite often it would be more beneficial to buy a fitted pair of safety glasses containing polycarbonate lenses. If a piece of wood or metal gets into your eyes they can scratch or even tear the area which can be very painful and can affect your vision. If you are ever injured in this manner you should contact an eye care practitioner immediately. Your eyes may need to be flushed out with a saline solution or you may need to attend your local hospital. If your job involves working with harmful chemicals, your workplace should have a special sink area where you can wash your eyes out in a hurry. Special safety face shields should also be worn to protect both your face and your eyes from chemical splashes. 
Safety Eyewear
When Eye Injuries Occur?
Eye Protection
Goggles are a form of eye protection which is usually enclosed to protect the eye area by preventing particulates, infectious fluids or chemicals from contact with the eye. Safety glasses will protect against flying debris but may have the added protection against visible and near visible light or radiation.
Sunglasses protect against high levels of visible and ultraviolet light from the sun. Welding glasses are a more extreme implementation of the same idea and is more suited to more intense light generated during welding. Grade 14 welding glass is much stronger than sunglasses allowing the wearer protection from staring directly at the sun (i.e. viewing a solar eclipse). Arc welding goggles are much darker than blowtorch goggles.
Blowtorch goggles
Laser protection eyewear is used to protect eyes from damage that has been done from visible and invisible wavelengths of laser light. Intrabeam viewing of lasers usually requires a low power laser even with protective goggles. Laser protection goggles work on the basis of laser light is a single frequency and therefore makes it easier to filter out. Laser goggles are subject to degradation and damage like any other kind of eyewear.
Visor
A visor is a surface that protects the eyes, such as shading them from the sun or other bright light or protecting them from objects.
At present visors are transparent, but before strong transparent substances such as polycarbonate were invented, visors were opaque like a mask with small holes to see and breathe through.
Safety Glasses
Safety glasses are usually made with shatter-resistant plastic lenses to protect the eye from flying debris. Although safety lenses may be constructed from a variety of materials of various impact resistance, certain standards suggest that they maintain a minimum 1 millimeter thickness at the thinnest point, regardless of material.
Safety glasses can vary in the level of protection they provide. For example, those used in m
edicine may be expected to protect against blood splatter while safety glasses in a factory might have stronger lenses and a stronger frame with additional shields at the temples. The lenses of safety glasses can also be shaped for correction.
The American National Standards Institute has established the standard ANSI Z87.1 for safety glasses in the
OSHA provides guidance on the type of safety eyewear that should be used for a particular application.
Some safety glasses are designed to fit over corrective glasses or sunglasses. They may provide less eye protection than goggles or other forms of eye protection, but their light weight increases the likelihood that they will actually be used. Modern safety glasses tend to be given a more stylish design in order to encourage their use. Corrective glasses with plastic lenses can be used in the place of safety glasses in many environments; this is one advantage that they have over contact lenses.
There are also safety glasses for welding, which are styled like wraparound sunglasses, but with much darker lenses, for use in welding where a full sized welding helmet is inconvenient or uncomfortable. These are often called "flash goggles", because they provide protection from welding flash.
Worker safety eyewear is available in various lens colors and/or with coatings to protect or enable eyesight in different lighting conditions, particularly when outdoors.
Nylon frames are usually used for protection eyewear for sports because of their lightweight and flexible properties. They are able to bend slightly and return to their original shape instead of breaking when pressure is applied to them. Nylon frames can become very brittle with age and they can be difficult to adjust.
