n. a white opacity occurring in the cornea. Most leucomas result from scarring after corneal inflammation or ulceration. Congenital types may be associated with other abnormalities of the eye.
(PVL) softening of white matter around the ventricles of the brain in preterm infants due to a decreased blood supply to the brain, usually associated with *hypoxic-ischaemic encephalopathy. Diagnosis is by ultrasound, which shows increased density and, later, cysts in the periventricular area. The brain damage can cause visual impairment and cerebral palsy.... periventricular leucomalacia
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