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4 definitions found
From:
DICT.TW English-Chinese Dictionary 英漢字典
pres·by·o·pia
/ˌprɛzbiˈopiə, ˌprɛs-/
老花眼,遠視眼
From:
DICT.TW English-Chinese Medical Dictionary 英漢醫學字典
pres·by·opia
/ˌprɛzbɪˈopɪə, ˌprɛs-/
名詞
From:
Webster's Revised Unabridged Dictionary (1913)
Pres·by·o·pi·a
Med.
A
defect
of
vision
consequent
upon
advancing
age
.
It
is
due
to
rigidity
of
the
crystalline
lens
,
which
produces
difficulty
of
accommodation
and
recession
of
the
near
point
of
vision
,
so
that
objects
very
near
the
eyes
can
not
be
seen
distinctly
without
the
use
of
convex
glasses
.
Called
also
presbytia
.
◄
►
From:
WordNet (r) 2.0
presbyopia
n
:
farsightedness
resulting
from
a
reduced
ability
to
focus
caused
by
loss
of
elasticity
of
the
crystalline
lens
with
age
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