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Symptoms & Sensitivity

Some ocular symptoms and sensations experienced by long term users of mobile phones.

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Balik HH, Turgut-Balik D, Balikci K, Ozcan IC. · 2005

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Long-term mobile phone users showed statistically significant increases in blurred vision, eye discharge, inflammation, and tearing.

Plain English Summary

Summary written for general audiences

Researchers surveyed long-term mobile phone users to examine potential eye-related symptoms from phone use. They found statistical evidence linking mobile phone use to blurred vision, eye discharge, inflammation, and excessive tearing, though they found no connection to eye redness or general vision problems. The study suggests people should be aware of these potential eye symptoms from extended phone use.

Why This Matters

This 2005 study adds to a growing body of evidence documenting physical symptoms associated with mobile phone use. While the research doesn't specify exact exposure levels or duration thresholds, it identifies specific ocular symptoms that align with what many users report anecdotally. The findings are particularly relevant given how dramatically phone usage has increased since 2005, with most people now holding devices close to their faces for hours daily. The science demonstrates that EMF exposure from phones may affect sensitive tissues like those in the eyes, which contain high water content and are positioned directly in the radiation path during calls. What this means for you is validation that eye discomfort during or after phone use isn't imaginary - there's measurable biological basis for these symptoms.

Exposure Information

Specific exposure levels were not quantified in this study.

Study Details

In this study, a survey was conducted to investigate the possible effects of long term usage of mobile phone (MP) on eyes.

The studied symptoms are blurring of vision, redness on the eyes, vision disturbance, secretion of t...

There is no effect on redness on the eyes and vision disturbance, but some statistical evidences are...

These results suggest an awareness of the symptoms and sensations.

Cite This Study
Balik HH, Turgut-Balik D, Balikci K, Ozcan IC. (2005). Some ocular symptoms and sensations experienced by long term users of mobile phones. Pathol Biol (Paris). 53(2):88-91, 2005.
Show BibTeX
@article{hh_2005_some_ocular_symptoms_and_1871,
  author = {Balik HH and Turgut-Balik D and Balikci K and Ozcan IC.},
  title = {Some ocular symptoms and sensations experienced by long term users of mobile phones.},
  year = {2005},
  
  url = {https://pubmed.ncbi.nlm.nih.gov/15708652/},
}
PubMed: 15708652

Cited By (43 papers)

Quick Questions About This Study

Yes, a 2005 study by Balik and colleagues found statistical evidence that long-term mobile phone use can cause blurred vision. The research surveyed mobile phone users and identified a clear link between extended phone use and vision blurring, though it found no connection to general vision problems or eye redness.
Research shows mobile phone use can cause eye discharge and excessive tearing. The 2005 Balik study found statistical evidence linking mobile phone use to both eye secretion and lacrimation (excessive tearing) in long-term users, suggesting these symptoms may result from extended phone exposure.
Yes, mobile phones may cause eye inflammation according to research. A 2005 study examining long-term mobile phone users found statistical evidence that phone use can lead to eye inflammation, along with other symptoms like blurred vision and eye discharge in regular users.
No, mobile phones do not appear to cause eye redness or general vision problems. The 2005 Balik research specifically found no statistical evidence linking mobile phone use to eye redness or vision disturbances, despite finding connections to other eye symptoms like blurring and inflammation.
Mobile phone users should watch for blurred vision, eye discharge, inflammation, and excessive tearing. A 2005 study found statistical evidence linking these specific symptoms to long-term phone use, though researchers noted no connection to eye redness or general vision disturbances.