Abstract:
:The authors compared postkeratoplasty astigmatism over a 4-month period after surgery in a randomized, prospective study of two groups of patients (total N = 18) who received two different suture techniques. The test group N = 8) had a single running suture with postoperative suture adjustment; on the basis of computer-assisted topographic analysis, the suture was tightened in the flatter meridian and loosened in the steeper meridian in the first month after surgery. The control group (N = 10) had a standard double running suture procedure with no postoperative adjustment; the single running 10-0 nylon suture was removed 3 months after surgery. Four months after penetrating keratoplasty, mean (+/- standard deviation) astigmatism in the test group was 1.7 +/- 0.7 diopters (D), and all patients had less than 2.6 D of astigmatism. In the control group, mean astigmatism was significantly higher (5.4 +/- 2.4 D; range, 0.7-9.0 D; P less than 0.01). The results suggest that postkeratoplasty astigmatism can be reduced with the single running suture technique accompanied by postoperative suture adjustment.
journal_name
Ophthalmologyjournal_title
Ophthalmologyauthors
Lin DT,Wilson SE,Reidy JJ,Klyce SD,McDonald MB,Kaufman HE,McNeill JIdoi
10.1016/s0161-6420(90)32498-3subject
Has Abstractpub_date
1990-07-01 00:00:00pages
934-8issue
7eissn
0161-6420issn
1549-4713pii
S0161-6420(90)32498-3journal_volume
97pub_type
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