Comparative Study of Surgically Induced Astigmatism in One and Two Side Port 2.8mm Clear Corneal Temporal Phacoemulsification in Cataract Surgery.
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Date
2015-10
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Abstract
Background: Surgically induced astigmatism (SIA) remains a common obstacle for achieving an excellent UCVA (Un
Corrected Visual Acuity). The aim of this study is to compare surgically induced astigmatism (SIA) after one or two side ports
with clear corneal temporal 2.8 mm phacoemulsification cataract surgery. Methods: Study comprised a multi-centric,
nonrandomized prospective consecutive series of 358 eyes of 328 patients between age group of 9 to 71 years who had
uneventful 2.8mm main temporal clear corneal incision and one or two side ports phacoemulsification cataract surgery with
implantation of aspheric foldable intraocular lens (IOL). All surgery was performed by one experienced surgeon. Surgically
induced astigmatism was calculated using Holladay-Carvy-Koch formula method. Results: At 1.5 months, the mean SIA
was 0.51 diopter (D) for the one side port incisions and 1.50 D for two side port incisions (P = 0.04). At 3 months, the mean
SIA were 0.41 D for one side port incisions and 1.25 D for two side port incisions (P = 0.03). Conclusion: The UCVA was
far better in the one side port group, at 1.5 and 3 months post-operatively.
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Keywords
Clear cornea, Phacoemulsification, SIA (Surgically Induced Astigmatism), Side-port, Temporal, UCVA (Un Corrected Visual Acuity)
Citation
Morya Arvind Kumar, Thakur Arunendu Shekhar, Alam Aftab. Comparative Study of Surgically Induced Astigmatism in One and Two Side Port 2.8mm Clear Corneal Temporal Phacoemulsification in Cataract Surgery. Annals of International Medical and Dental Research. 2015 Oct-Dec; 1(3): 277-280.