Use for laboratory work and liquid chemical handling . Welding goggles and shields contain special absorptive or filter lenses for protection against welding rays, sparks or flying particles. Wear when welding or working around welding . Sunglasses can protect your eyes against the harmful rays of the sun. If you wear contact lenses, you can now enjoy an added measure of protection.
Contact lenses are now available with a UV blocking feature.
These contact lenses should not be worn in place of your sunglasses, but do provide additional protection by blocking much of the UV radiation that can seep in from above and below your sunglasses. It is also a good idea to wear a hat or cap with a wide brim if you are in the sun. Sunglasses that are worn while you participate in eye hazardous work or sports should be made of 2mm thick polycarbonate. Eye protection is also a major concern to all sports participants, especially those playing certain high risk sports. There are many types of sports eyewear available in either prescription or non-prescription lenses.