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Tag: anti blue light glasses

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Essilor Blue UV Capture

Essilor Blue UV Capture Lens

Essilor Blue UV Capture lens introducing new lenses with the advance combination  of molecular technology into the core of the lens, known as the Essilor Blue UV Capture, it efficiently filter out harmful blue-violet light, allowing only the blue-turquoise light pass through.

blue light lenses

Computer devices, gadgets and all other VDU devices are the main emission of blue light. Based on studies, blue light entering human eyes help in boosting attention, reaction and mood during the day. However, the blue light can cause damage to the retina. Blue light has the shortest wavelength and contains the highest energy in the visible light spectrum, it can cause eyestrain, headaches, and including macular degeneration after long exposure.

Essilor blue capture lens

Essilor Blue UV Capture lens provides a feature of blocking at least 20% of harmful blue-violet light, up to 3 times more protection against harmful blue-violet light than regular prescription lenses.

Harmful blue light

Ordinary blue cut lens usually appear yellowish, giving a less cosmetic feature and lack of natural colour. This is due to cutting blue light leads to a yellow residual tint on lens. According to physics, blue and yellow belongs to complementary colours, when blue light is absorbed, the yellow as the other complementary colours will appeared. In order to remove the yellow tint appearance, Blue UV Capture is added with a colouring agent that neutralize the yellow residual tint for creating a optical clear lens.

blue protect lens

1.Is Blue UV Capture protects under UV radiation other than blue light?

Yes. Blue UV Capture provides 100% UV protection as it filters out harmful violet light spectrum this includes UV-rays emits from the hot sun.

2. What is the difference between Blue UV Capture and normal blue filter lens?

Blue UV Capture is the new molecular technology material used to build the lens, is inside the lens, while blue filter is only the coating on the surface of the lens.

3. Why blue light is not 100% filter?

Not all the blue light is harmful. Filtering all the blue lights will affect the natural colour as it lost the blue colour. Blue light is distinguished into blue-violet and blue turquoise. Blue-violet belongs to high energy harmful wavelength  in the light spectrum, which are harmful to the eyes, filtering it and left over the harmless blue turquoise light preserve the natural vision with consists blue colour.

4. Is Blue UV Capture available on all types of lenses?

It is available on certain types of lenses belongs to Essilor, this includes single vision lenses, multifocal lenses, and myopia management lenses.

5. Is Blue UV Capture effective on eye problems cause by increasing near work task besides facing computer or gadgets use?

Blue UV Capture lens technology aimed for the functional use on reducing harmful blue light entering the eyes, reduce the risk on causing damage to the retina. However, eyestrain cause by increasing near work task (not by VDU devices) may comes from individual eye conditions, this includes the individual might be having eye condtions such as presbyopia, accommodative insufficiency, or eye muscle spasm.

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Is blue light glasses good for eye protection?

Blue light glasses is a good option to filter out harmful blue ray. Blue light is one of the visible light of the light spectrum. Blue light has a short frequency, thus creates a higher measure of vitality. Studies propose that, after some time, introduction to the blue finish of the light range could cause genuine long term harm to your eyes. Blue light has a wavelength of between approximately 380nm and 500nm; making it one of the shortest, highest-energy wavelengths.

Is blue light glasses good for eye protection

The eye doesn’t prevent the blue light from entering. UV beams are blocked by the cornea and lens from coming to the rear of the eye (the retina). Blue light goes through these structures and can reach at the retina. 

Blue light may increase the danger of macular degeneration and contributes to digital eye strain. Being excessively near your screen is not good. People tends to strain the eye muscles when focusing at near .

Short-wavelength, high energy blue light scatters more easily than other visible light, it is not as easily focused. When you’re looking at computer screens and other digital devices that emit significant amounts of blue light, this unfocused visual reduces contrast and can contribute to digital eye strain.

Research has shown that lenses that block blue light with wavelengths less than 450 nm (blue-violet light) increase contrast significantly. Therefore, computer glasses with yellow-tinted lenses may increase comfort when viewing digital devices for extended periods of time.

Long hour screen time caused lost in rest pattern, since blue light influences the level of melatonin – the rest hormone in our body. It diminished light around evening time, stops the body to create rest hormones like melatonin. Blue light upsets these signs and less melatonin is produced. 

There is abundant evidence showing that blue light affects our bodies in creating melatonin. If you use screens long after sunset, these blue light glasses might help to stop you from staying up later than you want.

In short, blue light separating glasses are an incredible method to battle the eye strain and restlessness that accompany unreasonable screen time.

To know more about is blue light glasses , book an appointment with us to find out more.

1.What does blue light do to your eyes?

Exposure to the blue light will increase the risk of macular degeneration. Blue light penetrates the entire way into retina and many experiments have shown that too much exposure to blue light will damage the retina’s light sensitive cells.

2. Is blue light from phones harmful?

Yes, blue light from our gadgets are harmful and can lead to macular degeneration.

3. Is it bad to wear blue light glasses all day?

If spending long hours every day in front of screens then blue light glasses can help to avoid eye strain and protect the eyes. Blue light damage is cumulative so if it does not hurt the eyes now but it will later.

4. What are blue light glasses?

These glasses have filters in the lenses that block or absorb blue light, and in some cases UV light, from getting through. In short, when these glasses are worn when looking at a screen, especially after dark, they can help reduce exposure to blue light waves that can keep you awake and also reduce eye strain.

5. Is it necessary to wear blue light blocking glasses?

It really depends on do you want or need to look at your phone after dark and whether having trouble falling asleep after using the electronic devices either the phone or computer.