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Published by : PROFESSIONAL MEDICAL PUBLICATIONS |
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ISSN 1681-715X |
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ORIGINAL ARTICLE |
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Volume 24 |
April - June 2008 (Part-I) |
Number 2 |
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Outcome of phaco incision on steepest meridian
in eyes with pre existing astigmatism
Shahzad Iftikhar1, Zeba Ilyas Matin2, Asif Kiani3
ABSTRACT
Objective: To determine keratometric outcome of a 5.5mm self sealing incision on the steepest meridian in eyes with preexisting astigmatism.
Methodology: A prospective study was carried out on 35 eyes with preexisting, with or against the rule astigmatism of 1.5-3.0 D. Bimanual phaco was performed using the incisions of 1.5mm, each approximately 120 degrees apart. The IOL was implanted through a third self sealing limbal incision created on the steepest meridian, which was assessed preoperatively by keratometeric readings. Postoperative automated keratometery was recorded at 12 weeks.
Results: The average reduction of pre-existing against and with the rule astigmatism was 1.15 (SD = 0.33) and 1.47 (SD = 0.32) respectively.
Conclusions: It is possible to achieve negligible or low astigmatic outcomes in eyes with pre-existing with or against the rule astigmatism by predetermining the steepest meridian and placing a third incision of around 5.5mm on the respective meridian.
KEYWORDS: Pre existing astigmatism, Keratometric outcome.
Pak J Med Sci April - June 2008 (Part-I) Vol. 24 No. 2 227-230
1.
Shahzad Iftikhar FRCS,
Fauji Foundation Hospital,
Rawalpindi - Pakistan.
2. Zeba Ilyas Matin FRCS,
Shifa International Hospital,
Islamabad - Pakistan.
3. Asif Kiani FCPS,
Al Shifa Eye Trust Hospital,
Rawalpindi - Pakistan.
Correspondence:
Zeba Ilyas Matin
E-mail: zmatin@hotmail.com
* Received for Publication: October 6, 2007
* Revision Received: October 8, 2007
* Revision Accepted: February 25, 2008
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