In the current lit-up world, it is essential to regulate the timing and how we consume blue light.

Blue ray control was not something our ancestors had to deal with, as compared to today’s world. Blue light is becoming a menace, especially with the adverse effect on sleep and health when in excess.

Too much exposure to blue light at an unwanted time increase the chances of health hazards to an individual.So considering the use of blue light blocking glasses is vital

What is blue light?

It is a color in the visible light variety which can be noticed and seen by human eyes. It is the shortest wavelength of light, meaning that it emits lots of energy for utilization.

Blue light is a range of the visible light spectrum, defined as having a wavelength between 400−495 nm. This short wavelength means that blue light is a type of HEV (high-energy visible light), defined as having a wavelength between 400 and 450 nm. Because the blue/violet band of the visible spectrum has a particularly high frequency.

What is blue light of short waves-HEV

Where does blue light come from?

Apart from other light wavelengths, sunlight comprises blue light. Also, energy-saving and digital lighting, which are highly used, enclose a high concentration of blue light.

Other sources of blue light include smartphones, tablets screens, televisions, laptops screens, and LED lights, among other technology devices.

blue light sources

What is the damage of the blue light?

Not all instance of exposure to blue light is harmful or have detrimental effects on the health of an individual.

  • Damage to sleeping

However, continuous exposure to screens of technology devices such as tablets and bright environment at night lead to excess uptake of blue light which is harmful. The disclosure is at the very worst time when the individual should be sleeping.

Some of the detrimental effects associated with blue light to humans include lack of sleep due to inhibition of sleep causing hormone. Individuals experience fatigue after sleep because of short sleep time caused by frequent awakenings in the night.

Also, the blue light stimulates the production of stress-causing hormones, which have adverse effects on health and sleep.

  • Damage to eyes and human cell

Research indicates that blue light causes human cell damage, which contributes to problems related to vision. It has also been attributed to exposure to other critical diseases such as cancer and diabetes.

What are blue light blocking glasses?

It is a particular type of glass fitted with filters in the lenses to absorb or block blue light and, in some instances, other detrimental lights from getting through to the user’s eyes.

Therefore, the use of these glasses against screens can help reduce exposure to a wave of lights that can keep you awake, especially at night.

Exposure to harmful blue light does not mean the end of life. It is presumed that blue light blocking glasses are useful in filtering the blue light, thus restore healthy life to individuals affected. Wearing blue light blocking glasses means healthy sleep, thus reducing the chances of other risks.

anti 6 radiations blue light blocking glasses banner
anti 6 radiations medical-grade blue light glasses

Do blue light glasses work?

Basing on proven studies, participants using blue light filter glasses improve their sleep time and continue to use technology devices such as laptops for their works. Considering the harmful effects of blue sunlit, the blocking glasses have gained acceptance since it is exceptional technique to pacify eye strain and overcome disturbed sleep.

Continuous exposure to blue light can lead to blindness. It is proved that the blue-light filter glasses play a vital role in reducing potential eye damage and improve warning signs of computer vision conditions.

Therefore, the lenses of blue light filter are a great option

Should I get blue-light blocking glasses?

Light consumption levels vary per individual depending on how one is exposed to blue light.

Some spend more time travelling and others in front of technology device screens. All these share an ordinary risk of exposure to blue light.

Therefore, everyone needs to manage light exposure to reduce the chances of health risks related to blue light.

Blue-light blocking glasses are worth purchasing to reduce the chances of permanent eye problems.

However, some eye strains are temporary and can be reversed, and thus there is no need for special blue light glasses. The harm is not experienced in a single instance of exposure to blue light but constant exposure.

How to choose blue light blocking glasses?

Countless companies are offering blue light blocking glasses at varying costs. This is a prove of how critical health and sleep-related to exposure to blue light is becoming. Also, companies are aiming to fetch super-normal profit from increasing cases of eye problems. However, this is leaving individuals in the dilemma of selecting the right pair of glasses.

Some of the critical features in legit blue light blocking glasses are, have amber lenses that absorb blue rays from lighting sources and prevent them from reaching an individual’s eye.

Thus, patients should avoid glasses with clear lenses.

Before purchasing blue light filter glasses, it is necessary to request for laboratory-backed results to determine the level of blocking blue light and other harmful lights. A combination of blue light filter and anti-reflective reduce eye strain and over-stimulation resulting from light-rich environments.

The glasses should give the client the value of money.

  • It is worth spending more on unique frames that are easy to wear and feels good and comfortable.


  • The blue light Filtering glasses should have a warrant to replace them, thus increasing their lifetime use. There should be a point in the course of use to step-up or change the glasses.

Where to buy blue light glasses?

The glasses are available on prescription and non-prescription. There are numerous blue light blocking glasses sellers who include opticians and manufacturers.

Some online sites such as PERFECTSIGHT, Amazons also sell the anti blue light glasses.

PERFECTSIGHT Medical-grade blue light blocking glasses

  • To help block above 60%-70% of the blue light and 99% of UV ray, the color of the lens is light brown because of the advanced optical electroplating technology.
  • PERFECTISHGT Blue Ray Blocking Glasses Tested By American SOLAR LIGHT, approved by FDA Certificate, if not in fact,you could test the data of anti blue light glasses though sepcial optical instruments or institution
  • However eye care glasses of blue light filter on market only blocks up to 10%-20% of blue light from phone ,pad, computer’ screen , they couldn’t supply detailed data of blue light filter but also not tested by special optical instruments – spectrograph.

PERFECTSIGHT Medical-grade blue light blocking glasses

What is the blue light blocking glasses review?

Mike from United State


Jihan Felicien from United State

What is the right test way for your blue light blocking glasses or lenses?

Before know about how to test blue ight filter on my eyeglasses, it is neccesarry to learn the misunderstanding on test blue light at first.

  1. The “colorless blue light blocking lens”or “light yellow blue light blocking lens” tested bythe “blue light torch” is a pseudoscience.
  2. Actually, the light source of the blue light torch has a wavelength of 380nm-400nm, which should be called purple light
  3. While the light source from computers, mobile phones, LED screens and other electronic screens has a wavelength of 420-465nm, which called high-energy short-wave blue light, and it is harmful to the eyes.
  4. So the colorless/light yellow lens will not block the harmful blue light, they can only block the purple light, even long-term wearing will not protect the eyes.
anti blue light lense test metrod

There are several ways to test the credibility of blue light blocking lenses.

  • Some include a comprehensive eye exam under different colors. For eye patients, the right test to determine if the lenses are functional is improved eye health. Health is supported by increased sleep time and quality, improved cognitive performance, reduced stress and fatigue.
  • Also, the lack of eye strain after exposure to the light-full environment, especially at night, is a clear indicator and test for the glasses.

Know about how to correctly test blue light blocking glasses or lense

Blue light exposure is not specific to age or gender. The elevated risks related to its exposure can affect anyone. It is necessary to adopt strategies that reduce or control the chances of exposure to blue light. However, it may not be an effective method to protect most of us from excessive harmful rays.

Hence, considering the use of blue light blocking glasses is vital because the patient will be guaranteed continuous prevention of exposure whenever it is required.