The Rational Clinical Examination
David L. Simel, Drummond Rennie
Floaters and Flashes
David L. Simel
Men are slightly more likely to experience retinal tears (likelihood ratio (LR), 1.5; 95%&#...
Topics Discussed:
criterion standard comparisons (diagnostic tests), likelihood ratio, make the diagnosis, ophthalmoscopy, photopsia, retinal perforations, slit lamp biomicroscope, vitreous detachment, vitreous floaters
Excerpt:
"Among patients with acute flashes and/or floaters who
seek ophthalmological care or are referred for an evaluation, the
prevalence of a retinal tear is 14%. Most
of these patients will have uncomplicated posterior vitreous detachments,
and over the ensuing 6 months they have a 3.4% chance of
developing a retinal tear...."
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