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    Amniotic membrane in the management of strabismus reoperations
    (SPRINGER JAPAN KK, 2013) Tugcu, Betul; Helvacioglu, Firat; Yuzbasioglu, Erdal; Gurez, Ceren; Yigit, Ulviye
    To reduce postoperative scar formation and to improve duction using amniotic membrane (AM) in strabismus reoperations. A prospective study of interventional case series comprised of 14 patients with restrictive strabismus. Objective clinical findings (visual acuity, angle of deviations and degree of duction deficits) were recorded in both the pre- and post-operative periods. Strabismus surgery included the excision of adhesions and scar tissue, repositioning of extraocular muscles (according to the degree of deviations) and placement of two sheets, one between muscle and tenon and the other between muscle and sclera. Conjunctival recession with covering of the bare sclera using AM was also performed. The mean preoperative deviation of the patients was 34.3 prism diopters (PD) and mean post-operative deviation was 4.6 PD. The mean pre-operative duction deficit of the patients was 1.7; mean post-operative duction deficit was 0.2. Postoperatively all patients improved in relation to deviation and duction. Less than 8 PD deviations with no duction deficits were achieved in 12 (86 %) of the patients. Amniotic membrane placement around the extraocular muscle improves the duction and decreases the residual angle of deviations by inhibiting postoperative scar formation.
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    THE ANALYSIS OF CULTURE RESULTS OF THE RIMS THAT BELONG TO THE DONOR CORNEAS WITH OR WITHOUT VANCOMYCINE APPLICATION IN PENETRATING KERATOPLASTY OPERATIONS
    (NOBEL ILAC, 2009) Yigit, Ulviye; Bilen, Harun; Agachan, Ahmet; Ozdemir, Secil; Helvacioglu, Firat; Sencan, Sadik
    Objective: The purpose of this paper is to compare the culture results of donor corneas in penetrating keratoplasty operations with or without vancomycine application and to evaluate the efficacy of vancomycine. Material and Method: The study was performed on Haseki Eye Bank corneas from as a prospective, randomised, double blind and multicentered study. 94 donor corneas of 47 bodies were included. The corneal tissues taken from the corpses were carried to the tissue supply center in Optisol-GS solution (gentamycine, strepto-mycine). In tissue supply center the corneas taken from the same body were divided into two groups and sent to two different surgeons. Mile 1 mg/ml vancomycine was applied to the corneas in the first group for 5 minutes, nothing was clone to the corneas in the second group. All corneal rims were carried to the microbiology lab in sterile tubes. Results: Postoperative endophthalmitis was observed in none of the 94 eyes which the corneas were transplanted with or with-out vancomycine application. Mile the culture results in 2 (4.3%) of the 47 donor rim tissues which vancomycine was applied were positive, 6 (12.7%) of the 47 donor rim tissues without vancomycine application were positive. No statistically significance was observed between the two groups. On the side in two donor corneas taken from the same body the same bactery type was positive. Conclusion: Althought no significant difference was observed in this study, we believe that, as the literature supports, with the increase in the number of the cultured corneas statistically significant results will be reached.
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    The Outcomes of Conventional and Bimanual Microincision Phacoemulsification Performed in Cataracts with Hard Nuclei
    (Turkish Ophthalmological Soc, 2008) Helvacioğlu, F.; Yigit, Ulviye; Sencan, Sadik; Özdemir, Secil; Kilic, Murat
    Purpose: To compare the safety and efficacy of bimanual microincision cataract surgery (MICS) and conventional phacoemulsification surgery performed in cataracts with hard nuclei. Methods: Between September 2005 and March 2006, MICS (Group 1) and conventional phaco (Group 2) were performed in 60 eyes of 60 patients. Patients with hard cataracts (grade34) were grouped randomly (both groups had 30 eyes) for the type of surgery. Patients were examined for intraoperative complications, mean phaco time, total phaco %, effective phaco time (EPT), % endothelial cell loss, postoperative corneal edema, anterior chamber reactions and mean uncorrected and best corrected visual acuities.. The safety and the efficacy of the systems were evaluated by the statistical analysis of surgical outcomes. Results: The mean US time, total phaco % and EPT were 132.20 seconds, 9.35% and 11.74 secs for G1 and 132.36 seconds, 8.41% and 10.69 secs for G2. The mean postoperative percentages of the endothelial cell losses were 8.5% for G1 and 8.6% for G2. The mean early postoperative uncorrected visual acuity and late postoperative best corrected visual acuity were 0.57 and 0.91 in snellen chart for G1 and 0.51 and 0.87 for G2. Mostly no or mild corneal edema and anterior chamber reactions were observed Conclusion: With the increased experience in bimanual technique and by the aid of adequate modern surgical systems MICS could be performed as safe and efficient as conventional phacoemulsification in cases with hard cataracts.