We live in an era hypervisualEvery day we spend hours in front of screens: phones, computers, tablets, televisions. Although technology makes our lives easier, our eyes pay the price. Eye fatigue, blurred vision, dry eyes or even headaches have become common nuisances.
Faced with this silent problem, there is a rule as simple as it is effective: the 20-20-20 rule.
The 20-20-20 rule proposes the following:
Each 20 minutes screen usage,
Look at something 6 meters away (equivalent to 20 feet),
For at least 20 seconds.
An easy-to-remember, free formula endorsed by eye care professionals. Its goal is to give your eyes a break and prevent built-up eye strain.
When we fix our gaze for a long time at a short distance (as happens when looking at a mobile phone or computer), our ocular muscles They work tirelessly. This sustained effort can cause tension, dryness, and discomfort.
Applying the 20-20-20 rule allows the eye focus change, so that the eyes relax and the dryness associated with eye irritation is reduced. insufficient blinking.
✓ You blink up to 66% less, which reduces the natural hydration of the eye.
✓ You are exposed to blue-violet light, which affects your sleep and can cause eye strain.
✓ You maintain a constant focus tension, which exhausts your visual system.
✓ You may end up with a feeling of sand, itching, or even a headache at the end of the day.
Combine visual breaks with the use of blue filter glasses helps minimize these effects.
Activate a timer on your computer or mobile phone to sound every 20 minutes.
Use browser extensions like EyeCare or Stretchly.
Place a post-it on the screen to remind you.
Look out the window, at a distant painting, or any point within 6 meters.
Take advantage of those seconds to blink gently and relax your face.
You don't need to stop your workday: just incorporate micro-habits that protect your eye health.
Blue light from screens not only strains your eyes. Studies suggest it can affect your dream, the circadian rhythm and increase sensitivity to light. The blue filter glasses They act as a soft barrier that filters the light, improving visual comfort.
If you spend many hours in front of screens, these types of glasses become an essential tool along with the 20-20-20 rule.
He telecommuting, online classes, digital entertainment... It all adds up to hours in front of screens. Eye health can't be left out of daily self-care. Adjusting lighting, wearing appropriate glasses, applying the 20-20-20 rule, and listening to your body are simple ways to start.
At Perspektiv we believe that Seeing well is also feeling goodThat's why our blue light blocking glasses combine protection, design, and color. And that's why we bring you tips like this, designed to take care of your eyes without sacrificing style.
Optician-optometrist and visual health educator
Passionate about eye care in the digital age, Lucía combines her clinical experience with communication skills to provide practical advice on eye health, presbyopia glasses, and screen protection. She collaborates with Perspektiv, sharing clear, up-to-date, and colorful content.
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