- The selected goggles should be the products that have passed the inspection of the product inspection organization.

- The width and size of the goggles should be suitable for the user's face.

- Remove the glasses with both hands and gently handle them. If the glasses are temporarily placed, place the lenses with a convex face.

- If you do not wear glasses, please wrap them in glasses cloth and put them into glasses case. Please avoid contact with insect repellent, toilet cleaning supplies, cosmetics, hair spray, medicine and other corrosive materials when storing them, otherwise it will cause deterioration, deterioration and discoloration of lenses and frames.

- If the lens is rough, abraded, the frame is deformed, damaged, the screws are loose, the lens is easy to loose, the frame is not comfortable or should be adjusted in time. If the above phenomenon occurs, the deformation of the frame will cause a burden on the nose or ear, which will affect the vision of the wearer, and should be replaced in time, it is recommended to regularly go to the professional shop for plastic adjustment.

- High clarity of the coated lens, do not contact organic solvents, oil, sweat acid, high temperature and chemicals and hard objects, otherwise easy to damage the lens film, affecting clarity and beauty.

- It is recommended not to use lenses with scratches, stains, cracks, etc., otherwise it will be unclear to see things due to light dispersion, causing vision loss.

- Please do not place in high temperature (above 60℃) for a long time, high temperature is easy to cause deformation of the lens or the surface of the film is easy to crack, please do not put in the cab front window and other direct sunlight or high temperature places, so as to avoid damage to the lens.

- Metal frames should avoid contact with chemicals to prevent falling off the coating and discoloration.

- Prevent heavy falls and hard objects from rubbing the lens and mask.

- Use a clean lens cloth, be sure to hold the frame wire on one side of the wiping lens with your hand and gently wipe the lens. Avoid excessive force causing damage to the frame or lens.

- Dry rubbing is easy to scratch the lens. It is recommended to rinse with water, blot with paper towels, and then dry with a special glasses cloth. When the lens is very dirty, it is recommended to clean with a low concentration of neutral lotion, and then rinse with water to dry.

- When the lens is attached with sweat, juice, spray (glue), cosmetics, etc., please wash and dry with water immediately, if it dries naturally, the scale will become a stain difficult to wipe clean and see things are not clear.

- When the lens is wet by rain or sweat, please wipe it off immediately with a lens swab in one direction.

- Wear progressive multi-focus lenses, try not to use the edge of the lens to see things, because there is a sense of distortion and blur, see close to the lower part of the lens, the adaptation method is also indoor before outdoor.

- Filter and protection of welding goggles should be selected and replaced according to the requirements of the operation.

- Due to the prism of the lens, please drive and operate only when you are fully used to wearing glasses. It is difficult to grasp the sense of distance with the glasses you just bought. Do not drive and operate before you are fully used to it.

- Resin lenses may be broken by strong impact, easy to cause eye and facial damage, it is recommended not to use during strenuous exercise.

- Do not look directly at the sun or strong light, or you will hurt your eyes.

- Goggles should be used by special persons to prevent the infection of eye diseases.