Explantation of endocapsular posterior chamber lens after spontaneous posterior dislocation. 1996

O Nishi, and K Nishi, and K Sakanishi, and Y Yamada
Nishi Eye Hospital, Osaka, Japan.

The management of spontaneous posterior dislocation of an intraocular lens (IOL) (11.0 mm in overall diameter) encapsulated within the remaining lens capable is presented. The patient was a 55-year-old man who had had phacoemulsification following continuous curvilinear capsulotomy for monocular cataract 3 years earlier. The dislocated, encapsulated IOL was lifted up by hooking the fibrotic capsular opening with a bent disposable needle following vitrectomy and then explanted. A conventional posterior chamber lens with modified C-loops was inserted and sutured in the ciliary sulcus. This technique may be an alternative treatment for a posteriorly dislocated IOL. Histopathological examination clearly revealed that lens epithelial cell migration stopped at the planoconvex optic edge. This finding may be consistent with reports that the incidence of posterior capsule opacification with the planoconvex IOL is lower than with the bioconvex IOL.

UI MeSH Term Description Entries
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
D007910 Lenses, Intraocular Artificial implanted lenses. Implantable Contact Lens,Lens, Intraocular,Contact Lens, Implantable,Intraocular Lens,Intraocular Lenses,Lens, Implantable Contact
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D009885 Ophthalmology A surgical specialty concerned with the structure and function of the eye and the medical and surgical treatment of its defects and diseases. Ocular Surgery,Ocular Surgeries,Surgery, Ocular
D004848 Epithelium The layers of EPITHELIAL CELLS which cover the inner and outer surfaces of the cutaneous, mucus, and serous tissues and glands of the body. Mesothelium,Epithelial Tissue,Mesothelial Tissue,Epithelial Tissues,Mesothelial Tissues,Tissue, Epithelial,Tissue, Mesothelial,Tissues, Epithelial,Tissues, Mesothelial
D005548 Foreign-Body Migration Migration of a foreign body from its original location to some other location in the body. Foreign Body Migration,Foreign-Body Migrations,Migration, Foreign-Body,Migrations, Foreign-Body
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D014821 Vitrectomy Removal of the whole or part of the vitreous body in treating endophthalmitis, diabetic retinopathy, retinal detachment, intraocular foreign bodies, and some types of glaucoma. Vitrectomies
D018918 Phacoemulsification A procedure for removal of the crystalline lens in cataract surgery in which an anterior capsulectomy is performed by means of a needle inserted through a small incision at the temporal limbus, allowing the lens contents to fall through the dilated pupil into the anterior chamber where they are broken up by the use of ultrasound and aspirated out of the eye through the incision. (Cline, et al., Dictionary of Visual Science, 4th ed & In Focus 1993;1(1):1) Phacoemulsifications

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