Intraocular lens and method of retaining in place

An intraocular lens of HEMA plastic cut while hard into a round lens with concentric grooves around peripheral margins. The lens is cut to a size that is small for emplacing but softens and expands to fill a posterior chamber capsule after it has been emptied of its natural contents. The softening a...

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Bibliographische Detailangaben
Hauptverfasser:	KOENIGER, ERICH A
Format:	Patent
Sprache:	eng
Schlagworte:	BANDAGES, DRESSINGS OR ABSORBENT PADS DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS FILTERS IMPLANTABLE INTO BLOOD VESSELS FIRST-AID KITS FOMENTATION HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES PROSTHESES TREATMENT OR PROTECTION OF EYES OR EARS
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Beschreibung
Zusammenfassung:	An intraocular lens of HEMA plastic cut while hard into a round lens with concentric grooves around peripheral margins. The lens is cut to a size that is small for emplacing but softens and expands to fill a posterior chamber capsule after it has been emptied of its natural contents. The softening and expanding of the lens is caused by the aqueous humor uptake into the of the dry lens from the capsule environment. The concentric grooves frictionally engage the rough interior walls of the said capsule to position and retain the lens in place therein.