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In page Cerebroretinal microangiopathy with calcifications and cysts:

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Laser coagulation or cryoablation (freezing) of the retina can be used to destroy the abnormal blood vessels. Retinal detachment is repaired with a scleral buckle or with vitrectomy. Removal or enucleation of the eye is a last resort option if the eye already has become blind and painful.[citation needed]