Anterior segment fluorescein angiography has been used in the investigation of patients with sclerokeratitis. This showed that corneal thinning or destruction was associated with non-perfusion of the episcleral vasculature. The changes arose either as a result of a systemic vasculitis in seropositive individuals or were induced by surgery to the eye. Infiltrative forms of sclerokeratitis were commoner in seronegative patients and were less often associated with vascular shutdown.
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