Eye complaints, why protect your eyes against blue light

Many studies confirm that the light spectrum with a large dose of blue light can cause damage to the retina of the eye, the macula and the fundus oculi. The macula is located on the back wall in the eye, also called the yellow spot. The lens of the eye filters the ultraviolet light, but not the blue light. If you get too much blue light, this can lead to damage to the eye in the long term. In this process, the light-sensitive cells of the eye are damaged. This damage is called macular degeneration (AMD), an incurable condition of the yellow spot. Blue (short wave frequency) light rays break into the eye lens, causing the focal point to take place right in front of the retina instead of on the retina. As a result, there is more spread of blue light in the eye fluid that is located in the eyeball, which may result in a blurred (distracted) vision. Incidentally, you can not see details with blue light. The eye of man is optimized to see sharply with green and red light. Athletes and pilots regularly wear yellow glasses to filter part of the blue light. With that, they see sharper and it increases the contrast. Also patients who have a macular degeneration, are often prescribed yellow glasses to protect their eyes from the harmful blue light.

Eyeball with bluelight protection not protected
Without Bluelightprotect filter
Eyeball protected with bluelight protection
With Bluelightprotect filter

Tired eyes through computer use, ipad / tabled or watching TV

People spend many hours of the day behind a screen in their lives. That can take up to 8 to 10 hours a day or more. Constantly looking at digital images causes visual stress, as a result of which our eyes and nervous system are burdened. This is because the modern screens (LCD / LED monitor, TV, iPad and smartphones) emit an excessive amount of (short wave frequency) blue background light. In addition, there are often fluorescent lamps such as fluorescent tubes, LED lamps and energy-saving lamps that also contain a fair amount of blue light, this puts extra stress on your eyes and nervous system. Because the excessive blue light dominates the red light, there is a shortage of red and infrared light. This causes too much stress hormones and the regenerative process in our body is stopped. Typical complaints are: headache, tired eyes, burning and tearing eyes, flickering vision, blurred vision, fatigue, nervous traits to the eyelid and myopia. Unfortunately, conventional computer glasses do not always make this a significant improvement, because these glasses do not take the color spectrum into account when looking at the screen.

PRiSMA has developed a Bluelightprotect blue light filter technology that protects you from the harmful blue light and visual fatigue. It goes against the previously mentioned effort by filtering out the excess blue light component, that from displays such as a monitor or TV and all other artificial light sources. Furthermore, the PRiSMA eyeglasses offer a higher contrast, resulting in a sharper view.

What does light with your eyes do

Daylight consists of an even distribution of the color spectrum. The old-fashioned light bulb has the most pleasant light besides daylight. This is because this lamp emits much more red, unfortunately these lamps have been removed from the shelves due to high energy consumption. The red light and near-infrared light promote regenerative processes such as cell renewal. Blue light tends to give a stimulating effect and to keep us awake during the day. It inhibits the production of the sleep hormone melatonin and promotes the formation of stress hormones, so that our body is adjusted to the daily rhythm.

Disruption of hormonal balance (sleep hormone) melatonin

A large amount of short-wave blue radiation affects the hormonal system, by reducing the production of melatonin (the "sleep hormone") and promoting the production of the "stress hormones" cortisol and ACTH. This mechanism, which is logical during the day, can be a serious threat to our health if we are confronted with too much blue light in the afternoon and evening hours. Disturbances in the hormonal balance can lead to lifestyle diseases such as cardiovascular disease, cancer, diabetes and to disorders in the metabolism and the immune system.

No chance of regeneration

Red and near-infrared light activates cytochrome oxidase, a central enzyme of mitochondrial function, which promotes healing and can repair tissue damage at the cellular level. If you spend most of the day in artificial light and your tail in computer or TV screen, your eyes are overloaded with blue light. These light sources usually lack the circulation-increasing and recovering red frequencies and therefore there is hardly any chance that the body will be restored again.

Prism LED screen graph
LED monitor, blue is present in excess, and red is clearly in the minority.
halogen spectrum
A halogen / incandescent bulb emits little blue, but a lot of red.
PRISMA LED graph PRO filter
The PRO filter clearly eliminates the blue.

Product features

All our PRiSMA Bluelightprotect glasses and CLiP-On lenses are made from materials that meet the highest quality standards and are certified.

The materials used are very sturdy, the glasses are made of polycarbonate. The filter lenses are hard sealed with anti-reflection coating. The PRiSMA PRO and LiTE are equipped with a UV400 filter. In addition, the LiTE shade is excellent for use in traffic (in the EU, not according to US and Australian standards).

PRiSMA CLiP-On is suitable for the spectacle wearer. Through a squeeze system with protective material you can place the CLiP-On on your glasses without damaging your glasses. The CLiP-On has a handy flip-clip mechanism that makes it easy to fold up the color filter.

Adjusting the brightness of the screen offers no protection

The brightness of the screen is controlled via a PWM Pulse-width modulation. This controls the brightness of the screen via a certain frequency. If the brightness of the screen is lowered, the pauses between the light frequencies will become longer, but the blue light will not be reduced. Pulsating signals disrupt the biological balance. Older LCD / LED screens only stop pulsing frequencies when the brightness is set to 100%. We therefore recommend setting the screen to 100% brightness and wearing PRiSMA Bluelightprotect glasses.

Why is a Bluelightprotect glasses better than any yellow glasses

The Bluelightprotect glasses are specially designed to block a specific frequency of blue light, 400nm up to 500nm. This can be determined with a spectrum analyzer. Regular yellow glasses block the spectrum for a maximum of 15% and Bluelightprotect 92% up to 99%. The spectrum graphs can be found in the FAQ.