| http://www.w3.org/ns/prov#value | - In apparatus for intraocular surgery for cutting or shearing and removal of vitreous or other material from the eyeball, the combination of a vitreous cutting device comprising a pair of tubes of very small diameter, the end of one of said tubes being'honed and polished to provide a sharp cutting edge and the other ofsaid tubes being provided with a hole for receiving vitreous to be severed and re
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