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Old June 5th 06, 06:48 PM posted to rec.aviation.piloting
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Default Speaking of Vision -- How 'bout Progressive Bifocals?


Jay Honeck wrote:
I have been forced to face the fact that I can no longer read a
sectional chart with my current glasses.



Jay - I ended up with bifocals after enjoying a couple of years that I
technically didn't even need glasses - after needing them to see
farther than about 6 ft, for about the last 30+ years. Even passed the
driver's license "eye exam" without them the last time around. So it
was a bit of a change, to say the least, to go the bifocal route. I,
too, picked the progressive lens.

Be prepared to get accustomed to them for a week or three or more.
Going back to your old pair "just for this one thing..." will just make
it take longer to get used to the new ones.

The first time I walked out of the eye doctor's office with them on, I
just about got motion sickness (and I am not one prone to such things.)
- every horizontal line, from sidewalk curb to dashboard in my truck
appeared curved and varied in curvature as I moved my head. The
curvature distortion went mostly away (still can see it, if I look, but
I think my brain has built a "filter" for it for the most part.)

Periphial vision is still fuzzy - I have to turn my head way farther to
the right or left and adjust the elevation of my head to make out
detail to the side. I am not a pilot (wish I were....) but just the
simple act of looking at my gps mounted on top of my truck dash tells
me that I wouldn't want to fly a plane with this particular pair of
glasses.

I expressed these concerns to my eye doctor, who said that next time,
he'll adjust the ratio of near to far lens and how fast they
transition, to address my complaints.

You may have a completely different experience, so I relate my
experience so you won;t be surprised if things look strange.

Best Regards,

Randy