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E-ISSN : 2148-9696
Crescent Journal of
Medical and Biological Sciences
Jan 2018, Vol 5, Issue 1
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Original Article
Comparison of Postoperative Topographic Changes Between 23G Trans Conjunctival Sutureless Vitrectomyand 20G Standard Trans Conjunctival Vitrectomy
Ahoor Mohamadhossien, Rana Sorkhabi, Amir reza Pourali Gholie, Ipchi Amir


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Keywords : 23G vitrectomy, 20G standard vitrectomy, Intraocular pressure, Cornea
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Abstract
Objective: Transconjunctival sutureless vitrectomyis a common procedure in eye surgery and is performed with needles 20, 23, and 25. This study compared the two methods of 20 and 23 in terms of various parameters.

Materials and Methods: This study was performed in the Nikookari Hospital, 18 patients were operated with the standard 20G vitrectomy and 18 people with 23G transconjunctival sutureless vitrectomy. Intraocular pressure, corneal anterior surface keratometry, corneal anterior surface curvature radius, and corneal thinnest part thickness were evaluated before surgery, a week after surgery, and one month after surgery. The results compared statistically by SPSS, version 22.

Results: The results showed that intraocular pressure, corneal anterior surface keratometry, corneal anterior surface curvature radius, and corneal thinnest part thickness had no significant difference between the two methods at different times (p>0.05). However, in the 20G standard vitrectomy, intraocular pressure was significantly reduced one week after surgery (p=0.023). In addition, K1 and K2 in the 20G standard vitrectomy were significantly increased one week after surgery compared with before surgery (p<0.05). Corneal thinnest part thickness in the 23G transconjunctival sutureless vitrectomy was significantly increased a week after surgery compared with before surgery (p=0.007).

Conclusion: No statistically significant difference exists between the two methods used one week and one month after surgery in terms of the studied parameters.

 

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Aras Part Medical International Press Editors in Chief
Arash Khaki
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Zafer Akan Deputy Editor
Javadi, Leila
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