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00012_Field_12.txt
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1997-10-29
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324b
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13 lines
RETRO-ILLUMNIATION
When the pupil is dilated,
retro-illumnation can give a red
reflex against which corneal
defects can be easily seen. The
beam is passed through the
periphery of the pupil. This
photo shows an area of localized
corneal edema in
retro-illumination.