cotton wool patch

Ophthalmology A descriptor for the fluffy exudates and axoplasmic debris seen after microinfarcts in the retinal nerve fiber layer; CWPs are typical of grade III hypertensive retinopathy, but may also be seen in patients with connective tissue disease, diabetes mellitus, nonproliferative retinopathy, immune suppression, infections—Babesia microti, CMV, Pneumocystis carinii—ischaemia, pheochromocytoma, or bone marrow transplantation
Pathology See Cytoid bodies. Cf Cotton ball pattern

cotton wool patch

Retinitis angiospastica Ophthalmology A descriptor for the fluffy exudates and axoplasmic debris seen after microinfarcts in the retinal nerve fiber layer; CWPs are typical of grade III hypertensive retinopathy, but may also be seen in Pts with connective tissue disease, DM–nonproliferative retinopathy, immune suppression, infections–Babesia microti, CMV,.Pneumocystis carinii, ischemia, pheochromocytoma, BMT
References in periodicals archive ?
Caption: Right Eye--Grade II Papilledema (Bilateral Blurred Disc; Margins in the Right Optic Nerve; Haemorrhages and Cotton Wool Patches seen)
Caption: Left Eye--Grade II Papilledema (Bilateral Blurred Disc Margins in the Left Optic Nerves; Haemorrhages and Cotton Wool Patches Seen)
So there I was, sat with enormous circular cotton wool patches attached to each eye with blue plastic tape.