The purpose of corneal transplantation for keratoconus is to replace the abnormal anterior refracting surface of the eye with a donor cornea that has a normal anterior surface shape. They discussed any disagreements in classification. We judged 37 full-text articles and two conference abstracts as not eligible for inclusion and so we excluded them with reasons documented. By continuing to browse this site you agree to us using cookies as described in About Cookies Remove maintenance message. Outcome data were provided regarding overall failure and rejection rates.
Penetrating and Perforating Ocular Trauma
Central corneal curvature is adequately measured by keratometry. Lens opacities after nonmechanical versus mechanical corneal trephination for keratoplasty in keratoconus. The freehand technique was applied for corneoscleral patch grafts. It is not stated what happened in the third case. Endothelial cell loss and visual outcome of deep anterior lamellar keratoplasty versus penetrating keratoplasty: Therefore, we used post-graft best corrected visual acuity BCVA as the primary outcome measure.
Perforating wound | Define Perforating wound at jbrady.info
The nonsurgical approach includes limitation of inflammation, the treatment of coexistent infection, the use of anticollagenase and antiglaucomatous treatment, and the optimization of epithelial healing bandage soft contact lenses, autologous serum eye drops, and punctal occlusion [ 1 , 8 ]. Only one eye of each participant was treated as part of the trials. There was no significant difference in the likelihood of technical failure across groups in this study OR 7. For the outcomes where we determined that the heterogeneity of the studies was substantial, we did not combine the results in a meta-analysis but rather reported them in a descriptive summary. It may radiate to the shoulders or, less commonly, the hips. These studies were conducted in a number of different countries and although the disease affects all ethnic groups, findings suggest that people of various ethnic backgrounds, particularly those of Asian descent, may be more prone to the disease than Caucasian populations Georgiou Instances of graft rejection were reported in both groups, in both studies.
In a partially penetrated well, this is the distance from the top of the zone to the top of perforations as shown in the diagram below. Contact Lens and Anterior Eye ; 28 2: It typically ranges in value from 0. Only a subgroup of the included population 15 in each group had keratoconus, with the remainder having a mixture of other presenting diseases. Penetrating or perforating injuries should be evaluated and treated immediately.