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Radio Frequency

The effects of metamaterial on electromagnetic fields absorption characteristics of human eye tissues.

No Effects Found

Gasmelseed A, Yunus J. · 2013

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Computer modeling shows metamaterials didn't reduce electromagnetic absorption in eye tissues at cell phone frequencies, questioning some shielding claims.

Plain English Summary

Summary written for general audiences

Researchers used computer modeling to study how electromagnetic fields from a 900 MHz antenna (similar to cell phone frequencies) are absorbed by different parts of the human eye when a special material called metamaterial is present. They found that the specific absorption rate (SAR) - a measure of how much electromagnetic energy the eye tissues absorb - remained unchanged regardless of the metamaterial's properties. This suggests that certain engineered materials may not provide the electromagnetic shielding benefits for eye protection that some might expect.

Exposure Information

A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 900 MHz exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 900 MHzPower lines50/60 Hz5G mm28 GHzLogarithmic scale

The study examined exposure from: 900 MHz

Study Details

The interaction of a dipole antenna with a human eye model in the presence of a metamaterial is investigated in this paper.

The finite difference time domain (FDTD) method with convolutional perfectly matched layer (CPML) fo...

By normalizing the peak SAR (1 g and 10 g) to 1 W for all examined cases, we observed how the SAR va...

Cite This Study
Gasmelseed A, Yunus J. (2013). The effects of metamaterial on electromagnetic fields absorption characteristics of human eye tissues. Prog Biophys Mol Biol. 2013 Nov 13. pii: S0079-6107(13)00113-2. doi: 10.1016/j. pbiomolbio.2013.10.004.
Show BibTeX
@article{a_2013_the_effects_of_metamaterial_3036,
  author = {Gasmelseed A and Yunus J.},
  title = {The effects of metamaterial on electromagnetic fields absorption characteristics of human eye tissues.},
  year = {2013},
  
  url = {https://pubmed.ncbi.nlm.nih.gov/24239501/},
}
PubMed: 24239501

Cited By (9 papers)

Quick Questions About This Study

A 2013 computer modeling study found that 900 MHz radiation (similar to cell phone frequencies) did not significantly increase electromagnetic energy absorption in human eye tissues. The research showed no measurable effects on the eye's specific absorption rate values.
Research using computer models of human eye tissues found no significant effects from 900 MHz electromagnetic fields. The study measured how much energy different parts of the eye absorb and found no meaningful changes in absorption rates.
One 2013 study examining 900 MHz frequencies found no significant changes in how electromagnetic energy is absorbed by eye tissues. However, this represents just one frequency range, and more research across different frequencies is needed.
A 2013 study found that metamaterials did not change how much electromagnetic energy eye tissues absorb from 900 MHz radiation. The research suggests these engineered materials may not provide the eye protection benefits some expect.
Computer modeling research on 900 MHz frequencies found no significant effects on electromagnetic energy absorption in human eye tissues. This study suggests minimal risk at this specific frequency, though research on other frequencies continues.