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Results for “Lens Subluxation”

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At least 19 recordsLinked to original sources
PubMed1976

Ocular injuries in hockey.

Ocular injuries suffered by 38 hockey players during a three-year period were studied. The severity of the injuries required hospitalization for 16 of the patients. Twelve players require follow-up care for possible late complications from the following conditions: angle recession (seven cases), subluxated lens (three cases), traumatic cataract (three cases), detachment of the retina (two cases), and enucleation (one case). The use of a full-face protective mask affixed to an adequate helmet is recommended for all hockey players.

Adolescent↗
PubMed1992

Pars plana versus limbal lensectomy in soft cataract.

With the use of automated vitrectomy instruments a new dimension has been added to the treatment of soft cataracts. Surgical approach through the limbus and pars plicata has been described previously. This work is to compare the results of both surgical techniques. Twenty eyes of soft cataract underwent lensectomy and vitrectomy using the vitrophage. Pars plana approach was applied to 10 eyes, while limbal approach was applied to the rest of the cases. No major preoperative or postoperative complication were encountered in both techniques in a follow up period up to 12 months. However, pars plana lensectomy and vitrectomy offers many advantages over the limbal one with minimal complications.

Adolescent↗
PubMedDate not supplied

[Congenital leukomas with anomalies of the lens migration (author's transl)].

Report of three cases of congenital leukomas with anomalies of the lens migration: first case is an early malformation with "Wedl" cells in the corneal stroma; second case is a Peters' anomaly with ectopic and atrophic lens; third case, with a six years follow up after birthday, shows corneal opacification and regression of the lens. Ultrastructural study of these two last cases.

Cornea↗
PubMed1977

Spherophakia: a case report.

A case of spherophakia with unilateral traumatic phacometecesis is presented and the treatment of the postextraction sequelae by contact-lens therapy is described.

Adolescent↗
PubMed1978

Lens regeneration from cornea of larval Xenopus laevis in the presence of the lens.

In Xenopus laevis tadpoles, wounding of the outer cornea failed to initiate lens regeneration. If both the outer and inner corneas were wounded or if the lens was dislocated, lens regeneration was initiated but failed to continue beyond stage III. However, lensectomy followed by re-implantation of the lens resulted in the regeneration of a fully differentiated lens in several cases, despite the presence of the re-implanted lens. Although some of the regenerates in these eyes were also arrested at stage III, those which attained full lens differentiation, i.e. stage V, developed normally and synthesized crystalline from the onset of stage IV as indicated by a positive immunofluorescence reaction. Histological examination of the dislocated and re-implanted lenses showed the majority of them to be normal in appearance. Cornea transplanted to the posterior chamber of the eye also regenerated a lens in the presence of the re-implanted lens. All these regenerates underwent lens fibre differentiation to give stage-V regenerates. These findings show that lens regeneration from the cornea can occur in the presence of lens. Results are discussed on the basis that contrary to earlier suggestions, an inhibitory lens factor does not exist in vivo, but rather that a factor for the initiation and maintenance of regeneration emanates from the eye cup and upon wounding of the inner cornea is able to reach the inner cell layer of the outer cornea and initiate lens regeneration.

Animals↗
PubMed1978

Closed intraocular microsurgery in ocular trauma.

A series of 53 eyes that had suffered severe trauma was treated by closed intraocular microsurgery with vitreous cutters. The cases were divided into three categories: (a) anterior segment reconstruction for traumatic cataracts and post-traumatic pupillary membranes, (b) vitreous haemorrhage with and without retinal detachment, and (c) traumatically dislocated lenses.

Anterior Chamber↗
PubMedDate not supplied

Peripheral Peters' anomaly: a histopathologic case report.

The clinical and pathologic findings of a case of congenital bilateral, peripheral corneal leukoma associated with iris coloboma and anterior subluxation of the lens are reported. The changes in the region of keratolenticular apposition include partial absence of Bowman's membrane, stromal vascularization and thinning with large-diameter collagen fibrils, and absence of Descemet's membrane and endothelium. The authors postulate that dysembryogenesis of the tertiary vitreous, with iris coloboma, resulted in apposition of the lens to cornea during the second and third month of gestation and that this apposition resulted in the observed peripheral corneal abnormalities.

Abnormalities, Multiple↗
PubMedDate not supplied

Retinal disinsertion syndrome: report of a case.

A case of retinal disinsertion syndrome in a 31-year-old mentally retarded patient was reported. Associated anomalies included subluxation of the lens, microphthalmos and bilateral keratoconus. Total retinal detachment and subluxation of the lens in a blind microphthalmic eye of a young infant should raise the possibility of retinal disinsertion syndrome.

Adolescent↗