8,655 Studies Reviewed. 86.9% Found Biological Effects. The Evidence is Clear.

CATARACT SECONDARY TO MICROWAVE RADIATION

Bioeffects Seen

George H. Kurz, Richard B. Einaugler · 1968

Share:

Early research documented microwave radiation causing cataracts in workers, establishing that electromagnetic fields can damage vulnerable eye tissues.

Plain English Summary

Summary written for general audiences

This 1968 research documented cataracts developing in workers exposed to microwave radiation in occupational settings. The study represents early medical recognition that microwave exposure could damage the lens of the eye, establishing a connection between electromagnetic radiation and vision problems.

Why This Matters

This research stands as crucial early documentation that microwave radiation can cause cataracts in humans exposed through their work. Published in 1968, this study emerged during the early days of widespread radar and microwave technology deployment, when the health effects were just beginning to be understood. The significance extends beyond historical interest. Today's microwave ovens operate at 2.45 GHz, and many wireless devices use similar frequencies. While occupational exposures in 1968 were likely much higher than typical consumer device exposures, the fundamental biological vulnerability remains. The eye's lens has limited blood flow and poor heat dissipation, making it particularly susceptible to microwave heating effects. This research helped establish that certain body tissues are more vulnerable to EMF damage than others.

Figures from the Original Paper

Diagrams extracted from the original research document.

diagramPage 2 - Figure 1 illustrates a centrally located posterior subcapsular cataract in the left eye of a patient exposed to microwave radiation.
diagramPage 3 - Figure 2 illustrates degenerative changes in a lens exposed to microwave radiation, showing nuclear sclerosis and areas of posterior pole degeneration.

Exposure Information

Specific exposure levels were not quantified in this study. Duration: Seven-year period of occupational exposure

Study Details

To report clinical and histopathologic findings in a case of bilateral cataract allegedly secondary to microwave radiation exposure.

Case report with clinical examination and histopathologic analysis of extracted lenses from a patien...

Histopathologic examination revealed prominent areas of degeneration at the posterior pole containin...

The case suggests that lens changes were indeed secondary to microwave radiation, based on long history of exposure, latent period, relatively young age of patient, and absence of other ocular disease. However, the authors note that these histopathologic findings cannot be stated as characteristic of cataracts secondary to microwave radiation based on one case alone.

Cite This Study
George H. Kurz, Richard B. Einaugler (1968). CATARACT SECONDARY TO MICROWAVE RADIATION.
Show BibTeX
@article{cataract_secondary_to_microwave_radiation_g6111,
  author = {George H. Kurz and Richard B. Einaugler},
  title = {CATARACT SECONDARY TO MICROWAVE RADIATION},
  year = {1968},
  
  
}
No DOI on file for this study.

Quick Questions About This Study

Yes, this 1968 research documented cataracts developing in workers exposed to microwave radiation. The eye's lens is particularly vulnerable to microwave heating effects due to limited blood flow and poor heat dissipation capabilities.
The eye's lens has very limited blood circulation and cannot effectively dissipate heat generated by microwave absorption. This makes it one of the most susceptible tissues to thermal damage from electromagnetic radiation exposure.
In 1968, workers were typically exposed through radar operations, early microwave communication systems, and industrial heating applications. These occupational exposures were generally much higher intensity than modern consumer device exposures.
Modern microwave ovens and some wireless devices use similar frequencies to those that caused cataracts in workers. While consumer exposures are typically lower, the fundamental biological vulnerability of eye tissues remains unchanged.
This research provided early medical documentation that microwave radiation could cause specific tissue damage in humans, helping establish that certain body parts are more vulnerable to electromagnetic field effects than others.