Shooting Sports USA - August 2018 - 33

sight picture. The new lens solved the problem
and allowed me to be more consistent. I have
no doubt that the new lens helped me medal
in the events that I did! Without it, I would've
shot worse scores and ended up with lower
medals-or no medals at all."
Wayland picked up the lenses for his
Champion Super Olympic shooting glasses
a couple of days before leaving for the World
Games in Virginia.
There is an aftermarket insert for the aperture
which uses concentric diffraction rings to allow
good simultaneous focus for the front sight
and the bullseye. This may work well for some,
but others who have come in verify their vision
because either the front post or bullseye were
blurred. After a shooter's exam and a new
shooting Rx, they saw well and were happy
with the results. This is also not uncommon
with the multifocal intraocular lens implants
used for cataract surgery, and multifocal soft
contact lenses, which also incorporate diffraction rings. Ideally, eyeglasses would not be
needed afterwards, but that has not always
been the case.

VERTEX DISTANCE
As an important reminder when using
Knobloch or Champion shooting glasses,
keep in mind that the lens is situated farther
away from the eye than our normal dayto-day eyeglasses. Shooters having their
prescription made for these types of shooting
glasses may find that their vision wasn't what
they had hoped for. The extended distance of
the Knobloch and Champion lens position as
compared to regular eyeglasses changes the
power. A nearsighted minus lens becomes
weaker when it is farther from the eye. A
farsighted plus lens becomes stronger when
farther from the eye. It is important to bring
these frames and lens holders for the doctors
to see and understand what is involved. A
small prescription may be insignificant but
there may a 0.25 to 0.50 diopter of error with
higher prescriptions. Please note some of the
power changes in this article.
Best regards to our shooters, the finest
people in the world! Good vision and good
shooting to all. *

Former NRA President Ron
Schmeits (r.), former NRA
Competitive Shooting Director
Mike Krei (l.) and Dr. Wong

SSUSA.ORG | AUGUST 2018

33


https://www.nxtbook.com/nxtbooks/nra/ssusa_201008/index.php http://www.SSUSA.ORG

Table of Contents for the Digital Edition of Shooting Sports USA - August 2018

Contents
Shooting Sports USA - August 2018 - Cover1
Shooting Sports USA - August 2018 - Cover2
Shooting Sports USA - August 2018 - 3
Shooting Sports USA - August 2018 - 4
Shooting Sports USA - August 2018 - 5
Shooting Sports USA - August 2018 - Contents
Shooting Sports USA - August 2018 - 7
Shooting Sports USA - August 2018 - 8
Shooting Sports USA - August 2018 - 9
Shooting Sports USA - August 2018 - 10
Shooting Sports USA - August 2018 - 11
Shooting Sports USA - August 2018 - 12
Shooting Sports USA - August 2018 - 13
Shooting Sports USA - August 2018 - 14
Shooting Sports USA - August 2018 - 15
Shooting Sports USA - August 2018 - 16
Shooting Sports USA - August 2018 - 17
Shooting Sports USA - August 2018 - 18
Shooting Sports USA - August 2018 - 19
Shooting Sports USA - August 2018 - 20
Shooting Sports USA - August 2018 - 21
Shooting Sports USA - August 2018 - 22
Shooting Sports USA - August 2018 - 23
Shooting Sports USA - August 2018 - 24
Shooting Sports USA - August 2018 - 25
Shooting Sports USA - August 2018 - 26
Shooting Sports USA - August 2018 - 27
Shooting Sports USA - August 2018 - 28
Shooting Sports USA - August 2018 - 29
Shooting Sports USA - August 2018 - 30
Shooting Sports USA - August 2018 - 31
Shooting Sports USA - August 2018 - 32
Shooting Sports USA - August 2018 - 33
Shooting Sports USA - August 2018 - 34
Shooting Sports USA - August 2018 - 35
Shooting Sports USA - August 2018 - 36
Shooting Sports USA - August 2018 - 37
Shooting Sports USA - August 2018 - 38
Shooting Sports USA - August 2018 - 39
Shooting Sports USA - August 2018 - 40
Shooting Sports USA - August 2018 - 41
Shooting Sports USA - August 2018 - 42
Shooting Sports USA - August 2018 - 43
Shooting Sports USA - August 2018 - 44
Shooting Sports USA - August 2018 - 45
Shooting Sports USA - August 2018 - 46
Shooting Sports USA - August 2018 - 47
Shooting Sports USA - August 2018 - 48
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