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Efectos en los Ojos

Domingo 13 de noviembre de 2005 · 5997 lecturas

Localized Effects of Microwave Radiation
on the Intact Eye Lens in Culture Conditions
A. Dovrat,1 R. Berenson,2 E. Bormusov,1 A. Lahav,2 T. Lustman,2 N. Sharon,1 and L. Scha
1Rappaport Faculty ofMedicineTechnion-Israel Institute of Technology, Haifa, Israel
2Department of Electrical EngineeringTechnion-Israel Institute of Technology,
Haifa, Israel
A novel experimental system was used to investigate the localized effects of microwave radiation on
bovine eye lenses in culture for over 2 weeks. Using this setup, we found clear evidence that this
radiation has a significant impact on the eye lens. At the macroscopic level, it is demonstrated that
exposure to a fewmWat 1 GHz for over 36 h affects the optical function of the lens. Most importantly,
self-recovery occurs if the exposure is interrupted. At the microscopic level, close examination of the
lens indicates that the interaction mechanism is completely different from the mechanism-causing
cataract via temperature increase. Contrary to the latter’s effect, that is particularly pronounced in the
vicinity of the sutures and it is assumed to be a result of local friction between the edges of the fibers
consisting the lens. Even if macroscopically the lens has recovered from the irradiation,
microscopically the indicators of radiation impact remain. Bioelectromagnetics 26:398-405, 2005.
- 2005 Wiley-Liss, Inc.