tobacco dust sign A of Trouble Tobacco dust," or Shafer's sign,
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 PVD and retinal detachment, an optometric approach part 2 Optician Ophthalmology Notes Schaffer's Sign: Photo credit: on photo. Facebook Vitreous The Massachusetts Eye and Ear Infirmary Illustrated Manual of Ophthalmology, 4th Ed.
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