astigmatism
English Dictionary
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Letter A
-> astigmatism
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astigmatism Definition
(n) (
ophthalmology
)
impaired
eyesight
resulting
usually
from
irregular
conformation
of
the
cornea
(n) (
optics
)
defect
in
an
optical
system
in
which
light
rays
from
a
single
point
fail
to
converge
in
a
single
focal
point
astigmatism Synonyms
astigmatism
astigmia
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