Hi Carol:
I was driving around at night about a year ago and noticed that
point light sources had a chromatic halo. I thought "What is
going on with these glasses?" I later experimented with light
sources and using/removing glasses. The halos would remain when
I removed my glasses. My optometrist confirmed my guess. I am
developing cataracts.
How long did it take you to reach the point that you needed surgery?
Ken
On 12/24/2014 12:05 PM, Carol DeVolder wrote:
My eyesight was never very good at night, and it's gotten
worse--especially after I had cataract surgery. I think about
things like sensation and perception when I'm driving at night
and how the principle of pragnanz applies especially in the dark.
Then I think about the epic fails that have happened when I was
driving. For example, the time I was trying to read the wording
on a bridge I thought I was going to go under and realized it
said "Roadway" and was on the back of a semi. I managed to read
that one in time. Another time I was navigating a dark county
road in Missouri and using roadside reflectors to aim my car.
Suddenly I realized that the two reflectors in the distance that
I had been using to center myself were actually two dusty
taillights on a stopped pickup truck right in front of me. That
realization came a bit too late; and though I totaled my
daughter's brand new car, nobody was hurt. I tend to not drive at
night now unless I really have to, and the waning light of winter
makes that a necessity. I'm glad the sun will be getting
stronger. I can't handle too much more top-down processing. :)
cd
On Wed, Dec 24, 2014 at 6:58 AM, Annette Taylor
<tay...@sandiego.edu <mailto:tay...@sandiego.edu>> wrote:
My very favoritest holiday of the year! I really dislike
darkness--something that has gotten worse as I've aged and my
eyesight isn't what it used to be. Festivus signals the stop
of increasing darkness times and the beginning of increasing
lightness time. Ah! What could be better? :)
Teaching relation: diminishing eyesight with age and for me,
diminishing depth perception in particular so that driving
becomes more of a challenge. Didn't stop me driving 9 hours
each way to see my kids and grand kids this week :) Of
course, I probably could have limited the 9 hours to daylight
but I had to drive through LA. Enough said! All driving is
rearranged to minimize traffic through LA and the OC.
Annette
Annette Kujawski Taylor, Ph. D.
Professor, Psychological Sciences
University of San Diego
5998 Alcala Park
San Diego, CA 92110-2492
tay...@sandiego.edu <mailto:tay...@sandiego.edu>
________________________________________
Happy Festivus. May the feats of strength begin, and the
airing of
grievances be not too great.
cd
--
Carol DeVolder, Ph.D.
Professor of Psychology
St. Ambrose University
518 West Locust Street
Davenport, Iowa 52803
563-333-6482 <tel:563-333-6482>
--
---------------------------------------------------------------
Kenneth M. Steele, Ph.D. steel...@appstate.edu
Professor
Department of Psychology http://www.psych.appstate.edu
Appalachian State University
Boone, NC 28608
USA
---------------------------------------------------------------
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