• Wednesday May 27,2020

Medical goggles

What distinguishes medical goggles, what sets them apart from safety goggles? Are there different forms of medical goggles? How is medical goggles constructed? What is their use? All these questions are dealt with by the present article.

What is medical safety glasses?

The medical goggles protect the eyes and the eye area by a close fitting frame.

A medical goggle as part of the work clothes is a safety goggles. It serves to protect the eyes and the eye region through a close-fitting frame.

The medical goggles are characterized by glasses and a plastic frame, which are resistant to chemicals, heat, cold and flying particles.

Shapes, types & types

The employer is obliged by the labor protection law to provide the worker with personal protective equipment (PPE) that must comply with DIN EN 166. These include medical goggles in the field of medicine.

For better adaptation to the head shape and cover of the eye area, the brackets are flexibly adjustable in inclination and length. The ergonomic forehead support also serves for a better fit. The closure upwards is effective against disturbing light reflections or dust and chemicals. Nose slings allow a non-slip fit in any head position and avoid bruises. Soft temple tips also increase comfort without pushing the sensitive areas behind the ears.

So a support of the individual movement sequence is possible: The attached glasses sits firmly and stays there, high wearing comfort is guaranteed. The wearing of medical goggles over long periods is easily possible - not least because of their low weight.

Some glasses have an anti-reflection coating. These are characterized by a high transmission: The visible range of light with a wavelength higher than 400 nm is almost 100 percent transmitted. All high-energy light beams up to 400 nm are completely blocked as with the 400 nm edge filter. As a result, disturbing light reflections are avoided. A glare-free, low-fatigue view in the workplace with a mix of artificial light and natural light is thus made possible. Wearing the medical goggles increases performance and safety in the work to be performed, such as manual activities such as surgery, dental technology, reading data and working in the laboratory. Some laboratory glass also blocks the other end of the spectrum: the area of ​​infrared light.

The glasses / discs meet the highest optical quality class according to DIN EN 166. Distortion-free images prevent fatigue in the workplace. If high-impact polycarbonate is used according to the standard, the glasses also offer maximum protection against mechanical hazards. The glasses must be scratch-proof, impact-free and antistatic.

Some goggles are compatible as overglasses with the normal glasses of the user. In other medical goggles, the optical correction can be incorporated into the glasses.

Various plastic materials are processed in the frame by injection molding. Thus, for allergy-interested, metal-free medical goggles are made. A few models are available in metal or metal / plastic finish.

Certain models offer panoramic lenses for an unrestricted field of view with integrated side cover. Since they close all around tight, they have a system with ventilation slots, fold well and stow in the coat if necessary.

For medical vapor pressure sterilization work, medical goggles are developed that do not fog during autoclave work. This property is ensured by a special coating.

Some frames are in the glass shape, similar to a sports Halfrim glasses, adapted for particularly high cheekbones, other frames optimized for narrow faces. In other models can - just like some sports glasses - the plastic discs change easily. Some glasses are equipped with nano-particles, so they can be cleaned quickly.

The glasses have different designs: in addition to conventional forms in a socket, which encloses the entire glass, there are also curved glasses that reach into the side area of ​​the face. These glasses can, but do not have to, be completely enclosed by a frame. So is a sporty design, often in different colors and shapes of frame and glasses, possible.

Structure & functionality

The medical goggles consists of a frame - usually made of plastic - and discs, which are usually made of plastic. Some racks can be worn as over-glasses on the visual correction of the user. Depending on the application, different plastics are used: impact-resistant polycarbonates, cellulose acetate, glass or tempered glass for the lenses.

Coatings are possible to ensure the properties of "scratch resistance", "anti-fogging", "resistance to chemicals", "protection against contamination" and "polarization". Very similar design - but with different lenses - is found in the sports, water sports, alpine and ski sector and the range of therapeutic edge filters for people with visual impairment or blindness. The socket provides reliable protection of the eye area from outside influences such as UV and IR light, chemicals, heat, cold, dust and particles. Various tints of the viewing panes - or clear glass - are possible depending on the application.

Medical and health benefits

For example, the employer must provide his employees with medical goggles in accordance with the Occupational Health and Safety Act. Thus, he fulfills his duty of care to ensure the occupational safety of employees. The worker himself benefits from a more relaxed vision and less stress in the workplace. Safe, unencumbered, glare-free, fatigue-free vision increases the productivity of the work done. This concerns activities in the laboratory such as the experimental procedure or evaluation of experiments, activities in the operating room or in dental technology.

Increased security of data quality and more efficient performance benefit the employer and the employee. The patient in the operating room and the surgical team benefit from increased safety during the operation.

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