Last Updated：2026/01/01
Sentence
The
punctal
plug
has
been
found
useful
in
treating
keratoconjunctivitis
sicca
(dry
eye)
and
is
believed
to
be
suitable
for
treating
other
ophthalmic
ailments
where
retention
of
lacrimal
fluid
on
the
surface
of
the
eye
and
in
the
lacrimal
lake
is
desired
or
where
sustained
release
of
an
ophthalmic
medication
to
the
eye
by
using
the
plug
as
a
medication
carrier
is
desired.
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The punctal plug has been found useful in treating keratoconjunctivitis sicca (dry eye) and is believed to be suitable for treating other ophthalmic ailments where retention of lacrimal fluid on the surface of the eye and in the lacrimal lake is desired or where sustained release of an ophthalmic medication to the eye by using the plug as a medication carrier is desired.
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