Your Vision and Digital Devices

Most of us are on our computers, cell phones and tablets for hours every day. Do you know the potential dangers of using these digital devices? Here are some things you should keep in mind:

  • Even a small lens prescription can be very helpful.

    • I see many patients who say “I see fine”, when they really have a small prescription.

    • Think of it like holding a can of peas, the can gets heavier the longer you hold it. Straining your eyes can be the same. After hours of focusing they become tired.

  • Blue light effects on your eyes.

    • Computer monitors and, especially, touchscreens emit additional blue wavelengths.

    • While the long term damage to your retina is still being investigated, the additional blue light does cause eye strain. It affects our circadian rhythms (sleep cycles).

    • Not all lenses to protect against blue light are created equally. Lenses with a yellow tint or purple reflection do not block all of the blue rays, so check and make sure you are getting the protection you think you are.

  • Signs and symptoms of digital eye strain.

    • Headaches, especially behind your eyes, in your forehead, or at the base of your neck.

    • Furrowing or creasing your eyebrows. This is a sure sign you are focusing more than you should.

  • The 20-20-20 Rule

    • One simple tip anyone can use:  every 20 minutes look at an object at least 20 feet away for 20 seconds.

    • This will relax your focusing and is good idea for everyone to follow.

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