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<font size="+2"><font face="Calibri"><i><b>July</b></i></font></font><font
size="+2" face="Calibri"><i><b> 9, 2023</b></i></font><br>
<br>
<i><font face="Calibri">[ If your eyes hurt, it's nice to have
someone read articles aloud. an important service for this
topic ]</font></i><br>
<font face="Calibri"><b>Can Global Warming Really Screw up our
Eyeballs?</b></font><br>
<font face="Calibri">Paul Beckwith</font><br>
Jul 7, 2023<br>
As an eyeglass wearer for most of my life, I am very attuned to
human vision issues.<br>
<br>
I also challenge people I run across to think of something happening
that is not linked or connected in any way to climate change, and
then I figure out a way in which it is connected to climate change.
That applies here:)<br>
<br>
A fascinating new peer reviewed scientific study looks at data from
1.7 million older Americans in a survey taken over 6 years between
2012 and 2017. <br>
Each person indicated whether they were functionally blind or had
vision problems that could not be corrected with prescription
glasses, contacts, corrective surgery, etc. The mean annual
temperature in each of the counties in the USA was determined
allowing for mean temperature data to be obtained for each person
answering the survey, whether it be by mail, online, or telephone.<br>
<br>
The results of the study were extremely surprising.<br>
<a class="moz-txt-link-freetext" href="https://www.youtube.com/watch?v=ldvvANdlcxY">https://www.youtube.com/watch?v=ldvvANdlcxY</a><br>
<p>- -</p>
<i>[ research article ]</i><br>
<b>Association Between Area Temperature and Severe Vision Impairment
in a Nationally Representative Sample of Older Americans</b><br>
<font face="Calibri"><b>ABSTRACT</b><br>
Purpose<br>
Several small studies have associated exposure to elevated average
temperature with specific vision problems. However, no large-scale
studies have examined the relationship between vision impairment
and average area temperature in the general population. We
conducted a cross-sectional analysis of a large nationally
representative sample of older adults to further explore this
relationship.<br>
<br>
<b>Methods</b><br>
Secondary analysis of the American Community Survey (ACS). The
survey was conducted through mail, telephone and in-person
interviews. Data from six consecutive years of the cross-sectional
survey were analysed (2012–2017). The subsample analysed included
community-dwelling and institutionalized older adults aged 65 and
older in the coterminous US who lived in the same state in which
they were born (n = 1,707,333). The question on severe vision
impairment was “Is this person blind or does he/she have serious
difficulty seeing even when wearing glasses?”. Average annual
temperature data from the National Oceanic and Atmospheric
Administration was combined into a 100-year average and mapped to
corresponding US Census Bureau’s public use microdata areas from
the ACS.<br>
<br>
<b>Results</b><br>
Higher average temperature is consistently associated with
increased odds of severe vision impairment across all cohorts
(i.e. age, sex, race, income, and educational attainment cohorts)
with the exception of Hispanic older adults. Compared to those who
lived in counties with average temperature of < 50 °F (< 10
°C) , the odds of severe vision impairment were 44% higher in
counties with average temperature of 60 °F (15.5 °C) or above (OR
1.44; 95% CI 1.42–1.46).<br>
<br>
<b>Conclusion</b><br>
If the association is found to be causal, the predicted rise in
global temperatures could impact the number of older Americans
affected by severe vision impairment and the associated health and
economic burden.<br>
</font><br>
<font face="Calibri"><a class="moz-txt-link-freetext" href="https://www.tandfonline.com/doi/full/10.1080/09286586.2023.2221727">https://www.tandfonline.com/doi/full/10.1080/09286586.2023.2221727</a></font><br>
<font face="Calibri"><a class="moz-txt-link-freetext" href="https://pubmed.ncbi.nlm.nih.gov/37338863/">https://pubmed.ncbi.nlm.nih.gov/37338863/</a><br>
</font>
<p><font face="Calibri">- -</font></p>
<font face="Calibri"><i>[ from Ophthalmology News -- correlation not
yet specific causes ]</i><br>
</font><font face="Calibri"><b>Study: Higher average temperature
linked to serious vision impairment among older Americans</b><br>
Jul 5, 2023<br>
David Hutton<br>
In a study of 1.7 million older Americans by a team of researchers
from the University of Toronto, those living in counties with an
average temperature of 60°F or above had an increased chance of
suffering serious vision impairment than those in cooler counties.<br>
</font><font face="Calibri">- -<br>
</font><font face="Calibri"><b>Causes remain a mystery</b><br>
The researchers noted the observed link between average
temperature and severe vision impairment may be strong, but the
mechanism behind this relationship remains a mystery.1<br>
<br>
On top of that, the researchers hypothesize several potential
causes for the observed relationship, including increased
ultraviolet light exposure, air pollution, infections, and folic
acid degradation with increased temperature. However, the design
of this study does not provide definitive insight into how
temperature affects vision, the university noted.<br>
<br>
According to the news release, the study was based on 6
consecutive waves of the American Community Survey (2012 to 2017)
which surveyed a nationally representative sample of American
respondents aged 65 and older annually. The sample analyzed
included 1.7 million community-dwelling and institutionalized
older adults in the coterminous US who lived in the same state in
which they were born.<br>
<br>
Moreover, according to researchers, the question on vision
impairment was “Is this person blind or does he/she have serious
difficulty seeing even when wearing glasses?” The news release
noted the average temperature data was obtained from the National
Oceanic and Atmospheric Administration and combined with data from
the American Community Survey.<br>
<br>
Esme Fuller-Thomson pointed out in the release the research team
was surprised to discover this strong association between
temperature and vision impairment.<br>
<br>
“But this novel finding introduces more questions than it answers,
including what the connection between average county temperature
and vision impairment is,” Fuller-Thompson concluded in the news
release. “Moving forward, we plan to investigate whether county
temperature is also associated with other disabilities among older
adults such as hearing problems and limitations in daily
activities.”...<br>
</font><br>
<font face="Calibri"><a class="moz-txt-link-freetext" href="https://www.ophthalmologytimes.com/view/study-higher-average-temperature-linked-to-serious-vision-impairment-among-older-americans">https://www.ophthalmologytimes.com/view/study-higher-average-temperature-linked-to-serious-vision-impairment-among-older-americans</a><br>
</font>
<p><font face="Calibri">- -<br>
</font> </p>
<font face="Calibri"> <i>[ yes there is a website called OBN
Ophthalmology Breaking News ]</i></font><br>
<font face="Calibri"> </font> <font face="Calibri"><b>Rising
Temperatures Linked to Serious Vision Impairment in Older Adults</b><br>
July 03, 2023<br>
A study on 1.7 million older people residing in various American
counties has warned that individuals aged 65 and above living in
warmer regions are more prone to experiencing severe vision
impairment compared to those in cooler regions.<br>
<br>
According to the study, individuals residing in areas with an
average temperature ranging from 10-12 degrees Celsius faced a 14%
higher likelihood of severe vision impairment, while those in
areas with an average temperature between 12 and 15.55 degrees
Celsius faced a 24% higher likelihood. Furthermore, individuals
living in counties with an average temperature of 15.5 degrees
Celsius or higher had a 44% higher likelihood of severe vision
impairment, as compared to those living in areas with an average
temperature of less than 10 degrees Celsius.<br>
<br>
Professor Esme Fuller-Thomson, the study's first author from the
University of Toronto, expressed concern about the association
between vision impairment and average county temperature. She
highlighted the importance of future research in determining
causality and monitoring the prevalence of vision impairment among
older adults as global temperatures rise due to climate change.<br>
<br>
The study, published in the journal Ophthalmic Epidemiology,
revealed a strong relationship between average temperature and
severe vision impairment, regardless of participants' age, sex,
income, or education. The association between higher county
temperature and serious vision impairment was particularly
pronounced among individuals aged 65 to 79 compared to those aged
80 or older, as well as among males compared to females. However,
the underlying mechanism behind this link between average
temperature and severe vision impairment remains unknown.<br>
<br>
ZhiDi Deng, a pharmacy graduate from the University of Toronto and
co-author of the study, highlighted the significance of addressing
vision impairments and their consequences. Severe vision
impairment can increase the risk of falls, fractures, and
negatively impact the quality of life for older adults.
Additionally, it imposes significant costs on the US economy each
year. Therefore, the link between temperature and vision
impairment raises concerns.<br>
<br>
The research team analyzed data from 1.7 million older adults
residing in communities or institutions and compared their vision
health with average temperature data obtained from the National
Oceanic and Atmospheric Administration.<br>
</font><font face="Calibri"><a class="moz-txt-link-freetext" href="https://ophthalmologybreakingnews.com/rising-temperatures-linked-to-serious-vision-impairment-in-older-adults">https://ophthalmologybreakingnews.com/rising-temperatures-linked-to-serious-vision-impairment-in-older-adults</a><br>
</font>
<p><font face="Calibri"><br>
</font> </p>
<font face="Calibri"> <br>
<i>[ The news archive - looking back -- if only Clinton had
resigned the presidency - would we have a different world? ]</i><br>
<font size="+2"><i><b>July 9, 1992</b></i></font> <br>
July 9, 1992: Democratic presidential candidate Bill Clinton
selects Tennessee Senator Al Gore as his running mate.<br>
<br>
<a class="moz-txt-link-freetext"
href="http://www.nytimes.com/1992/07/10/us/1992-campaign-democrats-clinton-selects-senator-gore-tennessee-running-mate.html">http://www.nytimes.com/1992/07/10/us/1992-campaign-democrats-clinton-selects-senator-gore-tennessee-running-mate.html</a><br>
<br>
<a class="moz-txt-link-freetext"
href="http://www.c-span.org/video/?26971-1/clinton-vice-presidential-announcement">http://www.c-span.org/video/?26971-1/clinton-vice-presidential-announcement</a><br>
<br>
<br>
</font>
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