Cryosurgical closure of filtering blebs.
D000368:Aged; D001768:Blister / Q000209:etiology / Q000601:surgery*; D002387:Cataract Extraction / Q000009:adverse effects*; D003261:Contact Lenses; D003452:Cryosurgery / Q000009:adverse effects; D005128:Eye Diseases / Q000601:surgery*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged