The Open Ophthalmology Journal




ISSN: 1874-3641 ― Volume 13, 2019

Non-Thermal Electromagnetic Radiation Damage to Lens Epithelium



Elvira Bormusov 1, Usha P.Andley*, 3, Naomi Sharon1, Levi Schächter2, Assaf Lahav2, Ahuva Dovrat1
1 Rappaport Faculty of Medicine, Technion – Israel Institute of Technology, Haifa 31096, Israel
2 Department of Electrical Engineering, Technion – Israel Institute of Technology, Haifa 32000, Israel
3 Department of Ophthalmology and Visual Sciences, Washington University School of Medicine, St. Louis, Missouri 63110, USA

Abstract

High frequency microwave electromagnetic radiation from mobile phones and other modern devices has the potential to damage eye tissues, but its effect on the lens epithelium is unknown at present. The objective of this study was to investigate the non-thermal effects of high frequency microwave electromagnetic radiation (1.1GHz, 2.22 mW) on the eye lens epithelium in situ. Bovine lenses were incubated in organ culture at 35°C for 10-15 days. A novel computer-controlled microwave source was used to investigate the effects of microwave radiation on the lenses. 58 lenses were used in this study. The lenses were divided into four groups: (1) Control lenses incubated in organ culture for 10 to15 days. (2) Electromagnetic radiation exposure group treated with 1.1 GHz, 2.22 mW microwave radiation for 90 cycles of 50 minutes irradiation followed by 10 minutes pause and cultured up to 10 days. (3) Electromagnetic radiation exposure group treated as group 2with 192 cycles of radiation and cultured for 15 days. (4) Lenses exposed to 39.5ºC for 2 hours 3 times with 24 hours interval after each treatment beginning on the second day of the culture and cultured for 11 days. During the culture period, lens optical quality was followed daily by a computer-operated scanning laser beam. At the end of the culture period, control and treated lenses were analyzed morphologically and by assessment of the lens epithelial ATPase activity. Exposure to 1.1 GHz, 2.22 mW microwaves caused a reversible decrease in lens optical quality accompanied by irreversible morphological and biochemical damage to the lens epithelial cell layer. The effect of the electromagnetic radiation on the lens epithelium was remarkably different from those of conductive heat. The results of this investigation showed that electromagnetic fields from microwave radiation have a negative impact on the eye lens. The lens damage by electromagnetic fields was distinctly different from that caused by conductive heat.



Article Information


Identifiers and Pagination:

Year: 2008
Volume: 2
First Page: 102
Last Page: 106
Publisher Id: TOOPHTJ-2-102
DOI: 10.2174/1874364100802010102

Article History:

Received Date: 20/2/2008
Revision Received Date: 16/4/2008
Acceptance Date: 23/4/2008
Electronic publication date: 21/5/2008
Collection year: 2008

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© Bormusov et al.; Licensee Bentham Open.

open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.5/), which permits unrestrictive use, distribution, and reproduction in any medium, provided the original work is properly cited.


* Address correspondence to this author at the Department of Ophthalmology and Visual Sciences, Washington University School of Medicine, St. Louis, Missouri 63110, USA; E-mail: andley@vision.wustl.edu


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