Optometric
chart
poster
____________________
combinations
of
letters
,
____________________
and
numbers
____________________
different
sizes
used
to
____________________
a
person's
____________________
.
The
microscope
____________________
an
instrument
that
____________________
small
things
____________________
larger
than
they
____________________
.
Otoscope
is
a
____________________
used
for
____________________
a
patient's
____________________
.