Guide to Healthy Lighting - Why UV and Flicker Matter
Summary: Healthy lighting is lighting that is completely safe for users and does not cause discomfort. Key features of such lighting are the complete elimination of invisible, harmful UV radiation and the absence of unnoticeable flicker (flicker effect). This combination protects the eyes and skin, and significantly improves concentration and overall wellbeing in rooms where we spend a lot of time.
Ultraviolet radiation (UV) is the invisible part of the light spectrum that is harmful in excess. Although it is mainly associated with the sun, some traditional light sources, such as fluorescent lamps and older types of lamps, can emit it in small amounts. Prolonged daily exposure indoors can accumulate negative effects. EV Sun lamps are designed to completely eliminate UV emissionswhich makes them completely safe for any application.
| Area of Influence | Potential risk |
| Sight | It can contribute to retinal damage and accelerate eye ageing. |
| Leather | It can negatively affect the condition of the skin by accelerating photo-ageing. |
| Environment | It causes fading and colour degradation of furniture, fabrics and also works of art. |
Light flicker (flicker) is a very fast, cyclical change in light intensity, often so fast that it is invisible to the naked eye. Nevertheless, the human brain and nervous system register them. This forces our pupils and visual receptors to perform constant, microscopic adaptive work. This unconscious effort leads to a number of negative health effects.
Technology Blue Care, present in all EV Sun lamps (except fluorescent lamps), guarantees 100% flicker-free. This provides a perfectly stable light output that eliminates the following problems and creates optimal conditions for working and relaxing.
| Symptom | Description |
| Headaches and migraines | Tension caused by the pupils' constant adaptation to changes in light. |
| Eye fatigue and burning | Increased effort of the eye muscles trying to maintain a constant focus. |
| Decrease in productivity | Concentration problems due to the distracting effect. |
| General irritability | Subconscious, constant strain on the nervous system. |