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    Corneal bee sting-induced endothelial changes
    (Lippincott Williams & Wilkins, 2006) Guerlue, Vuslat Pelitli; Erda, Nazan
    Purpose: To report the acute management and clinical findings of a case of corneal bee sting and to report the outcome of corneal endothelial cell analysis 1 year after trauma. Methods: Clinical findings, anterior segment photographs, corneal endothelial images, and medical treatment of a case of right corneal bee sting are presented. Right and left central corneal endothelial cell analysis was performed by noncontact specular microscopy. Results: The stinger was removed from the cornea. Systemic, subconjunctival, and topical steroids and systemic and topical antibiotics were given. One year later, a corneal scar and anterior capsular opacity of the lens in the right eye were shown by slit-lamp examination. Endothelial cell analysis determined that the endothelial cell density of the right eye was substantially decreased compared with the left eye. Conclusion: Corneal infiltration gradually decreased, presumably because of the systemic, topical, and subconjunctival steroids. Late complications observed in this case included a substantial decrease in cornea endothelial cell density, a corneal scar, and anterior capsular opacity.
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    Diagnostic occlusion test in intermittent exotropia
    (Mosby-Elsevier, 2008) Guerlue, Vuslat Pelitli; Erda, Nazan
    PURPOSE We sought to determine the ideal length of time to use the diagnostic occlusion test (DOT) in the evaluation of patients with intermittent exotropia. METHODS Eighty-two consecutive intermittent exotropia patients were prospectively evaluated. After the routine ophthalmic examination, the DOT was applied for 1, 3, and 24 hours. The mean distance and near deviations, obtained with the DOTs, were compared, and the DOT periods at which deviations were stabilized were determined. The Nonparametric Tukey HSD test was used for statistical analysis. RESULTS Before occlusion, the mean distance exotropia was 28.4 +/- 14.5, and the mean near exotropia was 25.7 +/- 15.5. After I hour of DOT, the exotropia measured 30.0 +/- 14.8 (p = 0.023) and 31.2 +/- 14.0 (p = 0.000), respectively. A clinically and statistically significant difference was not found after 3-hour and 24-hour DOT at either distance or near. CONCLUSIONS Although the distance deviation stabilized after the 1-hour DOT and the near deviation was stabilized after the 3-hour DOT in intermittent exotropia cases, the change of mean near deviation between I and 3 hours was clinically negligible. The I hour DOT was at least as effective as the 3- and 24-hour DOT in most cases. Therefore, we recommend that the 1 hour DOT is sufficient for clinical applications.
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    Effects of different contact lens materials and contact lens-wearing periods on conjunctival cytology in asymptomatic contact lens wearers
    (Lippincott Williams & Wilkins, 2008) Tomatir, Dilek Kutlubey; Erda, Nazan; Guerlue, Vuslat Pelitli
    Purpose. To investigate the conjunctival cytologic changes induced by different contact lens materials and contact lens-wearing periods in asymptomatic contact lens wearers. Methods. Seventyfive patients (150 eyes) who were to wear contact lenses for the first time were evaluated in this study. Forty eyes of 20 soft hydroxyethylmethacrylate (vinyl pyrrolidone copolymer) contact lens wearers, 70 eyes of 35 soft Polymacon contact lens wearers. and 40 eyes of 20 hard gas-permeable contact lens wearers used the lenses on it daily-wear basis. Conjunctival cytologic changes were investigated by using impression cytology. Impression cytologic samples were obtained before contact lens fitting and after contact lens wear (mean evaluation time. 6.9 +/- 2.6 months: range. 4-12 months). The samples were appropriately stained and were assessed by using the Nelson grading system and for the presence of snakelike chromatin. The Kruskal-Wallis test, the Wilcoxon test, and logistic regression were used for statistical analysis. Results. There were statistically significant differences in impression cytologic findings for all three materials before versus' after contact lens wear (P=0.00, P=0.00. P=0.00. Wilcoxon test). The contact lens-wearing period produced a statistically significant effect on conjunctival cytologic changes and snakelike chromium formation (P=0.00. P=0.00. logistic regression analysis), but the effects of different contact lens materials were insignificant (P=0.88 P=0.62). Conclusions. Conjunctival cytologic changes occurred in asymptomatic contact lens wearers and were related to the duration of lens wear. For this reason, asymptomatic contact lens wearers may be followed Lip because of conjunctival cytologic changes.