The health of healthcare workers may affect patient safety in various ways. Accurate vision is necessary for examining patients, reading medication packages, reviewing diagnostic films…etc
Can eating fish compromise vision?
“Researchers are studying the potential effects of low level chronic exposure to methylmercury, which is of global concern due to methylmercury presence in fish, but the message that I want to get across is that such exposures may negatively affect vision. Our study clearly shows that we need more research into the direct effects of methylmercury on the eye,” Korbas concluded.”
Read more http://pubs.acs.org/doi/abs/10.1021/cb4004805
“Human populations experience widespread low level exposure to organometallic methylmercury compounds through consumption of fish and other seafood. At higher levels, methylmercury compounds specifically target nervous systems, and among the many effects of their exposure are visual disturbances, including blindness, which previously were thought to be due to methylmercury-induced damage to the visual cortex”