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    Assessment of the central corneal thickness and intraocular pressure in premature and full-term newborns
    (Medknow Publications & Media Pvt Ltd, 2014) Muslubas, Isil Bahar Sayman; Oral, Ayse Yesim Aydin; Cabi, Cemalettin; Caliskan, Sinan
    Purpose: To assess the central corneal thickness (CCT) and intraocular pressure (IOP) in premature and full-term newborns. Materials and Methods: In this study, we evaluated measurements of CCT and IOP in 45 premature and 45 full-term newborns. IOP was determined with topical anesthesia using a Tono-Pen AVIA, applanation tonometer and a wire lid retractor in premature newborns undergoing screening for retinopathy. Full-term newborns were used as a control group. CCT was determined with a portable pachymeter after IOP measurements had been made in both groups. Because there was high correlation of CCT and IOP between right and left eyes, only the right eye data were used for further analyses. Results: The mean gestational age was 31.5 +/- 2.7 weeks (ranging 25-35 weeks) and the mean age at measurement after birth was respectively 36.3 +/- 0.9 weeks (ranging 33-37 weeks) in premature newborns and 38.2 +/- 0.7 weeks (ranging 38-41 weeks) and 42 +/- 2.2 weeks (ranging 39-46 weeks) in full-term newborns. The mean IOP was 16.2 +/- 2.7 mmHg (ranging 10-22 mmHg) in premature and 16.6 +/- 2.3 mmHg (ranging 10-22 mmHg) in full-term newborns. The mean CCT was found 600 +/- 50 mu m (ranging 515790 mu m) in the premature group and 586 +/- 48 mu m (ranging 475-730 mu m) in the full-term group. Mean CCT was greater in premature newborns than in full-term newborns, but the difference between groups was not statistically significant (P = 0.7). Mean IOP measurement in two groups was found very similar and the difference also was not statistically significant (P = 0.27). There was no correlation between IOP and CCT, gestational age, gestational weight, age at measurement, weight at measurement neither right nor left eye in both groups in multiple regression analysis. Conclusion: We found that premature infants have slightly thicker corneas but no high IOP measurements than full-term newborns. It could be concluded that in premature at the mean gestational age of 36 weeks CCT is not different from that of full-term newborns.
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    Comparison of the efficacies of patching and penalization therapies for the treatment of amblyopia patients
    (Ijo Press, 2014) Cabi, Cemalettin; Muslubas, Isil Bahar Sayman; Oral, Ayse Yesim Aydin; Dastan, Metin
    AIM: To compare the efficacies of patching and penalization therapies for the treatment of amblyopia patients. METHODS: The records of 64 eyes of 50 patients 7 to 16y of age who had presented to our clinics with a diagnosis of amblyopia, were evaluated retrospectively. Forty eyes of 26 patients who had received patching therapy and 24 eyes of 24 patients who had received penalization therapy included in this study. The latencies and amplitudes of visual evoked potential (VEP) records and best corrected visual acuities (BCVA) of these two groups were compared before and six months after the treatment. RESULTS: In both patching and the penalization groups, the visual acuities increased significantly following the treatments (P <0.05). The latency measurements of the P100 wave obtained at 1.0 degrees, 15 arc min. Patterns of both groups significantly decreased following the 6 -months -treatment. However, the amplitude measurements increased (P<0.05). CONCLUSION: The patching and the penalization methods, which are the main methods used in the treatment of amblyopia, were also effective over the age of 7y, which has been accepted as the critical age for the treatment of amblyopia.
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    Respond to: Assessment of central corneal thickness and intraocular pressure in premature and full-term newborns
    (Medknow Publications & Media Pvt Ltd, 2015) Muslubas, Isil Bahar Sayman; Oral, Ayse Yesim Aydin; Cabi, Cemalettin; Caliskan, Sinan
    [No abstract available]