Retinal Tufts

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Retinal Tufts

Retinal tufts are small areas of gliotic degeneration of the retina associated with vitreous traction. They may be classified as noncystic, cystic, or zonular traction tufts. Noncystic tufts are short (<0.1 mm), thin, internal projections that are often found in clusters. They are almost always located within the vitreous base but may be found elsewhere in the pre-equatorial retina. Larger than noncystic tufts (>0.1 mm), cystic tufts are nodular projections of retinal tissue that occur either within or posterior to the vitreous base. About 78 percent occur in the equatorial zone. They can be found in any quadrant of the retina, are often unilateral, and usually occur singly. Zonular traction tufts are gliotic tufts that are pulled in an anterior direction by a zonular fiber and, therefore, appear as thin strands, stretched over the ora serrata. They are usually solitary lesions and are often within the vitreous base. Zonular traction tufts, which are most commonly located in the nasal half of the retina, are attached to the retina less than 0.5 mm posterior to the ora serrata; only rarely are they attached posterior to the vitreous base.

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