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Is Dark or Light Mode Better for Eyes?

Published in Eye Health 3 mins read

The answer isn't a simple one, as the "better" mode depends on individual vision and circumstances. Here's a breakdown:


Light Mode vs. Dark Mode: A Comparative Look

Feature Light Mode Dark Mode
Visual Performance Generally better for those with normal or corrected-to-normal vision. May be better for individuals with cataract and related vision disorders.
Myopia Risk Long-term reading might be associated with an increased risk of myopia. Less researched regarding its association with myopia.
Eye Strain May cause eye strain in low-light environments. May cause eye strain in bright light environments.
Contrast High contrast for most with typical vision. Low contrast, may be better in some lighting conditions, however, may require the eyes to work harder.
Readability Generally considered to be more readable for most users. Could make it harder to read in brighter environment.


What the Research Says

According to the reference material, the general consensus is that for people with normal or corrected vision, visual performance is often better with light mode. Conversely, individuals with certain eye conditions like cataracts might find dark mode more comfortable. However, prolonged reading in light mode has been linked to a potential risk of myopia.

  • Normal Vision: Light mode tends to be better for visual performance for most people.
  • Cataract and Related Disorders: Dark mode can be better for some users with these conditions.
  • Myopia: Prolonged light mode reading may increase risk of myopia.


Practical Insights

  • Environment Matters: Consider the ambient lighting of your surroundings. Light mode may be best in brightly lit areas, while dark mode might be more comfortable in dimly lit areas.
  • Personal Preference: Ultimately, the "best" mode depends on individual comfort and preference. Experiment to find what works best for you.
  • Take Breaks: Regardless of the mode you use, it is recommended to take frequent breaks to rest your eyes.
  • Consult with an Eye Doctor: If you experience visual problems, it is recommended you consult with an eye doctor.
  • Adaptive Mode: Some devices offer an adaptive mode that changes color scheme based on ambient lighting.


Conclusion

There is no definitive answer to whether dark mode or light mode is universally better for the eyes. It depends on the individual, their vision and the environment in which they are using their device. Normal and corrected-to-normal vision individuals often perform better with light mode; dark mode might be better for others with certain visual conditions, and there is concern that extensive reading in light mode might be associated with myopia.

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