Skip to main content

What is blue light?

The light that we can see today has a total of 7 colors, which are purple, blue, green, indigo, yellow, orange, red, and blue or blue light. The light in each color will have different wavelengths and brightness.

by the most harmful light to our eyes is the blue light or the blue light itself To be in the wavelength range of 400-500 nm, which is a wavelength that is harmful to our retina.

And did you know that blue or blue light is a light that is brighter than other colors, causing our eyes to focus? having to focus on the screen unconsciously that is very harmful to our eyes Most of the time, blue or blue light comes from devices.

For example, light bulbs used in homes, offices, general stores, TV screens, computer screens, notebook screens, phone screens, tablet screens, or even Smart Watch screens all emit blue light.

How does blue light affect us?

  • Eye symptoms: blurred vision, eye strain, dry eyes, red or irritated eyes
  • Deteriorated inner membrane of the eye
  • The retina may deteriorate.
  • Insomnia
  • Fatigue
  • Headache
  • Cancer risk
  • Depression may occur

Eye protection from blue or blue light

  • Put a blue light filter film on their equipment. computer screen, laptop screen, phone screen, tablet screen or even a clock screen Smart Watch etc.
  • Reduce the brightness of various display screens to a level similar to ambient light.
  • Reduce the brightness of fluorescent lamps used in the room.
  • Should have a computer monitor or notebook screen About 20 to 30 inches away from your face.
  • There should be some time to rest your eyes. You shouldn't stare at the screen for too long.
  • The use of artificial tears that can nourish the eyes and prevent blue light
  • Use apps that reduce blue light on your device, such as a smartphone or tablet.
  • The desk should have a small plant like a cactus. to make us feel relaxed
  • Use glasses that can filter out blue or blue light.

Types of eyeglass lenses that help protect eyesight

1. What is Multicoat

  • Reduce glare from the lens surface Makes the picture sharper
  • It can filter blue light from computer screens and mobile phones. or even light from fluorescent tubes good at some level
  • There is a coating to prevent electromagnetic waves (EMI = Electro Magnetic Infrared Lens), which this wave is emitted from computer monitors and mobile phones.
  • There is a coating on the lens surface to prevent scratches.
  • There is a coating that protects against UV rays from the sun.

2. What is Blue Light Block, Blue Cut, Blue Control

  • A lens that filters or cuts blue light from television devices. Computer screens, mobile phone screens, tablet screens, light from LED bulbs, etc. can filter blue light better than ordinary multi-coated lenses.
  • Can filter UV light at the level of 420 nm.

3. What is Multicoat Auto  

  • It is a lens that can adjust the light. When out in the sun, it will change color according to the intensity of the received UV light, but when in the shade It will be a normal lens.
  • Can cut glare, filter UV light, blue light Overall, all features are like multi-coated lenses. Just can adjust the light when going out into the sunlight.
  • Suitable for those whose eyes are sensitive to light.

4. What are blue block lenses?

Blue Light Block, Blue Cut, Blue Control It's up to you to call Combined with the ability of multi-coated lenses to adjust the light.

Book an eye test appointment

You can contact to make an appointment for an eye examination from The Lens Optical Shop team by an optometrist.
Just click to reserve the queue or call 074-237567