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Atlas of Emergency Medicine, 2e
| Part 1. Regional Anatomy > |
Traumatic Cataract
Sections: Associated Clinical
Features, Differential
Diagnosis, Emergency Department
Treatment and Disposition, Clinical Pearls.
Topics Discussed: cataract, traumatic; lightning injuries; ocular trauma; shock from electric current.
Excerpt:
"Any trauma to the eye that disrupts the normal architecture of
the lens may result in the development of a traumatic cataract—a
lens opacity (Fig. 4.24). The mechanism behind cataract formation
involves fluid infiltration into the normally avascular and acellular
lens stroma. The lens may be observed to swell with fluid and become
cloudy and opacified. The time course is usually weeks to months
following the original insult. Cataracts that are large enough may
be observed by the naked eye. Those that are within the central
visual field may cause blurring of vision or distortion of light
around objects (e.g., halos)...."
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