A DYNAMIC STUDY ON THE SURGICALLY INDUCED ASTIGMATISM AFTER PHACOEMULSIFICATION THROUGH DIFFERENT INCISIONS

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SEDAGHAT M.R.; GHARAEI HAMID; YAGHOUBI N.

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Journal: JOURNAL OF CURRENT OPHTHALMOLOGY Year:2003 | Volume:16 | Issue:1 Page(s): 14-23

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Title

A DYNAMIC STUDY ON THE SURGICALLY INDUCED ASTIGMATISM AFTER PHACOEMULSIFICATION THROUGH DIFFERENT INCISIONS

Author(s)

SEDAGHAT M.R. | GHARAEI HAMID | YAGHOUBI N. | Issue Writer Certificate

Keywords

PRE-EXISTING ASTIGMATISM CORRECTIONQ4

PHACOEMULSIFICATIONQ4

SMALL INCISION CATARACT SURGERYQ4

Abstract

Purpose: Determination of ideal incision in PHACOEMULSIFICATION to decrease pre-existing and eventual astigmatism.Patients & Methods: 100 patients with cataract were included in the study and preoperative keratometery was done in all of them.An incision was performed on the steeper axis. Seven different kinds of incisions were done overall: Superior scleral tunnel; Large superior clear corneal incision with sutures (6mm); small superior clear corneal incision (3.2 mm) with and without sutures; Large temporal clear corneal incision (6mm) with sutures; small temporal clear corneal incision (3.2 mm) with and without sutures.Keratometery was performed preoperatively, at one day, one week, one month, three months and one year following surgery.Results: Mean preoperative astigmatism was 1.1 diopter and postoperatively it was 2.9, 2.3, 1.9, 1.5, 1.5 diopters at one day, one week, one month, three months and one year following surgery respectively. There was less surgically induced corneal astigmtism in small temporal clear corneal incision without sutures and superior scleral tunnel incision (0.9 diopter corneal astigmatisn change during one year).Surgically induced corneal astigmatism was greater in small superior clear corneal incision without suture. (2.3 diopter corneal astigmatism change during one year) The rate of against the rule astigmatism was increased postoperatively in all incisions.Conclusion: Upper lid pressure on the superior corneal incision led to against the rule astigmatism that was higher than that induced by temporal incision.Comparison between small temporal clear conreal incisions (between 3.2 mm and smaller) is recommended.

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APA: Copy

SEDAGHAT, M.R., GHARAEI, HAMID, & YAGHOUBI, N.. (2003). A DYNAMIC STUDY ON THE SURGICALLY INDUCED ASTIGMATISM AFTER PHACOEMULSIFICATION THROUGH DIFFERENT INCISIONS. JOURNAL OF CURRENT OPHTHALMOLOGY, 16(1), 14-23. SID. https://sid.ir/paper/53190/en

Vancouver: Copy

SEDAGHAT M.R., GHARAEI HAMID, YAGHOUBI N.. A DYNAMIC STUDY ON THE SURGICALLY INDUCED ASTIGMATISM AFTER PHACOEMULSIFICATION THROUGH DIFFERENT INCISIONS. JOURNAL OF CURRENT OPHTHALMOLOGY[Internet]. 2003;16(1):14-23. Available from: https://sid.ir/paper/53190/en

IEEE: Copy

M.R. SEDAGHAT, HAMID GHARAEI, and N. YAGHOUBI, “A DYNAMIC STUDY ON THE SURGICALLY INDUCED ASTIGMATISM AFTER PHACOEMULSIFICATION THROUGH DIFFERENT INCISIONS,” JOURNAL OF CURRENT OPHTHALMOLOGY, vol. 16, no. 1, pp. 14–23, 2003, [Online]. Available: https://sid.ir/paper/53190/en

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