tobacco dust sign The Shaffer sign, also known as “tobacco dust,” is a clinical finding seen in retinal detachment. It refers to the presence of small, pigmented cells or pigment clumps in the anterior vitreous, Schaffer's Sign (Tobacco Dust Sign):

Schaffer's Sign (Tobacco Dust Sign): Positive Schaffer's sign viewed through dilated pupil using dynamic vitreous assessment. In most patients with retinal tears, retinal pigment epithelial cells, released through the tear, will be PVD and retinal detachment, an optometric approach part 2 Optician Shafer's Sign, also knows as tobacco dust Shafer's sign refers to the presence of a collection of brown pigmented cells in the anterior vitreous following a PVD. Many studies Carefully differentiate PVD from retinal breaks 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 Vitreous The Massachusetts Eye and Ear Infirmary Illustrated Manual of Ophthalmology, 4th Ed.

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