tobacco dust ophthalmology Atlas Entry - Retinal detachment π¨ The Red Flag of
The Red Flag of the Retina: Shafer's Sign Dear Residents, if you see "Tobacco Dust" in the anterior vitreous, stop everything. Shafer's Sign (Pigment cells in the anterior PVD and retinal detachment, an optometric approach part 2 Optician Online Tobacco dust," or Shafer's sign, refers to the presence of fine brown pigmented cells (from the retinal pigment epithelium) floating in the anterior vitreous. It's an important clinical clue because, in Vitreous Syneresis: An Impending Posterior Vitreous Detachment (PVD)
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