Control of astigmatism aided by intraoperative keratometry.

Abstract:

:An evaluation of the final "sutures out" postoperative astigmatism in two groups of keratoconus patients undergoing penetrating keratoplasty is presented. Group I consists of a retrospective evaluation of keratoconus patients who underwent penetrating keratoplasty without using the Troutman Keratometer prior to suturing the button into position. Group II patients had their donor button rotated in the recipient bed until approximate sphericity was indicated by a circular reflex from the Troutman Keratometer before suturing into position. The mean final astigmatism with all sutures removed from Group I was 4.64, SD 1.89, and for Group II 2.27, SD 1.27. Selective positioning of the donor button using the Troutman Keratometer leads to a significant reduction in the final sutures out astigmatism in patients undergoing penetrating keratoplasty for keratoconus.

journal_name

Cornea

journal_title

Cornea

authors

Belmont SC,Troutman RC,Buzard KA

doi

10.1097/00003226-199309000-00005

subject

Has Abstract

pub_date

1993-09-01 00:00:00

pages

397-400

issue

5

eissn

0277-3740

issn

1536-4798

journal_volume

12

pub_type

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