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Protective effect of the anterior lens capsule during extracapsular cataract extraction. Part I. Experimental animal study. 1989

K D Solomon, and T D Gwin, and D J O'Morchoe, and M R Tetz, and S O Hansen, and A Sugita, and E M Imkamp, and D J Apple
Department of Ophthalmology, Medical University of South Carolina, Charleston 29401.

In an experimental study using albino Rex rabbits, the intercapsular cataract extraction (ICCE) technique was performed in 20 eyes with a small anterior capsulotomy. A large, can opener capsulotomy was performed in another 20 eyes, and 10 unoperated eyes served as controls. Endothelial cell loss was determined by vital staining with Trypan blue and Alizarin red S stains. Average endothelial cell loss with the ICCE technique was 1.2%; with the can opener technique, the average cell loss was 6.6%. This difference was statistically significant (P less than 0.01). The percentage of endothelial cell loss in the control eyes was 0.5. A positive correlation between endothelial cell loss related to phacoemulsification time and/or the amount of irrigating fluid used existed for the can opener group only (P less than 0.01). These results demonstrate that the presence of an almost intact anterior lens capsule during removal of lens substance is protective to the corneal endothelium.

UI MeSH Term Description Entries
D007507 Therapeutic Irrigation The washing of a body cavity or surface by flowing water or solution for therapy or diagnosis. Douching,Lavage,Douchings,Irrigation, Therapeutic,Irrigations, Therapeutic,Lavages,Therapeutic Irrigations
D007903 Lens Capsule, Crystalline The thin noncellular outer covering of the CRYSTALLINE LENS composed mainly of COLLAGEN TYPE IV and GLYCOSAMINOGLYCANS. It is secreted by the embryonic anterior and posterior epithelium. The embryonic posterior epithelium later disappears. Capsule, Crystalline Lens,Capsules, Crystalline Lens,Crystalline Lens Capsule,Crystalline Lens Capsules,Lens Capsules, Crystalline
D007908 Lens, Crystalline A transparent, biconvex structure of the EYE, enclosed in a capsule and situated behind the IRIS and in front of the vitreous humor (VITREOUS BODY). It is slightly overlapped at its margin by the ciliary processes. Adaptation by the CILIARY BODY is crucial for OCULAR ACCOMMODATION. Eye Lens,Lens, Eye,Crystalline Lens
D010656 Phenylephrine An alpha-1 adrenergic agonist used as a mydriatic, nasal decongestant, and cardiotonic agent. (R)-3-Hydroxy-alpha-((methylamino)methyl)benzenemethanol,Metaoxedrin,Metasympatol,Mezaton,Neo-Synephrine,Neosynephrine,Phenylephrine Hydrochloride,Phenylephrine Tannate,Neo Synephrine,Tannate, Phenylephrine
D011680 Pupil The aperture in the iris through which light passes. Pupils
D011817 Rabbits A burrowing plant-eating mammal with hind limbs that are longer than its fore limbs. It belongs to the family Leporidae of the order Lagomorpha, and in contrast to hares, possesses 22 instead of 24 pairs of chromosomes. Belgian Hare,New Zealand Rabbit,New Zealand Rabbits,New Zealand White Rabbit,Rabbit,Rabbit, Domestic,Chinchilla Rabbits,NZW Rabbits,New Zealand White Rabbits,Oryctolagus cuniculus,Chinchilla Rabbit,Domestic Rabbit,Domestic Rabbits,Hare, Belgian,NZW Rabbit,Rabbit, Chinchilla,Rabbit, NZW,Rabbit, New Zealand,Rabbits, Chinchilla,Rabbits, Domestic,Rabbits, NZW,Rabbits, New Zealand,Zealand Rabbit, New,Zealand Rabbits, New,cuniculus, Oryctolagus
D002387 Cataract Extraction The removal of a cataractous CRYSTALLINE LENS from the eye. Enzymatic Zonulolysis,Phakectomy,Cataract Extractions,Enzymatic Zonulolyses,Extraction, Cataract,Extractions, Cataract,Phakectomies,Zonulolyses, Enzymatic,Zonulolysis, Enzymatic
D002452 Cell Count The number of CELLS of a specific kind, usually measured per unit volume or area of sample. Cell Density,Cell Number,Cell Counts,Cell Densities,Cell Numbers,Count, Cell,Counts, Cell,Densities, Cell,Density, Cell,Number, Cell,Numbers, Cell
D004728 Endothelium, Corneal Single layer of large flattened cells covering the surface of the cornea. Anterior Chamber Epithelium,Corneal Endothelium,Endothelium, Anterior Chamber,Epithelium, Anterior Chamber,Anterior Chamber Endothelium
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia

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