We spend hours every day in front of phones, computers, and tablets. This can cause eye strain, headaches, and even sleep disturbances. But do you really need blue light glasses?

What is blue light?

Blue light is part of natural daylight. However, screens (LED, smartphones, computers) emit a more concentrated artificial blue light.

  • In small doses, it’s harmless.
  • In excess, especially at night, it can disturb sleep and increase visual fatigue.

Is it really useful?

Studies show that blue light lenses can reduce visual discomfort and improve comfort during long hours on screens. But it’s not a medical necessity for everyone.

👉 Recommended for: people spending long hours on screens, especially in the evening.

👉 Less useful for: occasional or light screen users.

Does it change color perception?

  • Older filters used to give lenses a yellow tint.
  • Modern premium lenses (Zeiss, Hoya, Essilor) are almost transparent, selectively filtering harmful blue light without altering vision.

Other useful treatments

  • Anti-reflective coating: reduces screen glare.
  • Photochromic lenses: practical if you move between indoors and outdoors.

The importance of an eye exam

A full check-up by our qualified opticians and optometrists is essential. Unlike automatic machines that only estimate, we manually verify each correction for precision and comfort.

👉 Visit us in Canggu, Ubud, Seminyak, or Sanur for a free eye exam and personalized advice on blue light lenses.

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