Publications by authors named "Sibel Oskan Yalcın"

Background: To evaluate the agreement between the Goldman applanation tonometer (GAT), Tono-Pen, and noncontact tonometer (NCT) in the measurement of intraocular pressure (IOP) in pseudophakic children.

Methods: The medical records of nonglaucomatous pseudophakic children between 2009 and 2019 were retrospectively analyzed. A total of 46 eyes of 23 patients operated for bilateral pediatric cataract were included in the study.

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  • The study aimed to compare clinical findings and imaging of pediatric patients with papilledema and pseudopapilledema to those of healthy children.
  • It included 90 children under 18, where OCT imaging revealed thicker retinal nerve fiber layers in those with papilledema compared to pseudopapilledema and control groups.
  • The study concluded that OCT can effectively differentiate between papilledema and pseudopapilledema, potentially sparing patients from unnecessary invasive tests.
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  • The study aimed to find the genetic causes of non-syndromic congenital cataract (CC) through whole-exome sequencing (WES) in 12 patients.
  • It involved a detailed analysis of patients' family backgrounds and ocular conditions, with DNA collected from blood samples for sequencing.
  • Results showed that nearly 58% of the families had identifiable pathogenic genetic variants, with some novel variants discovered, helping to improve genetic counseling for affected families.
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Background: The aim of this study is to evaluate the long-term outcomes of primary and secondary intraocular lens (IOL) implantation following removal of congenital/developmental cataracts.

Methods: One hundred and forty-four patients aged under 16 years who were followed up between 2003 and 2021 were analyzed retrospectively. The long-term results of children who underwent surgery before 2 years of age for congenital or developmental cataracts and underwent secondary IOL implantation after 2 years of age and those who underwent cataract surgery with primary IOL implantation after 2 years of age were compared.

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Purpose: To evaluate central macular thickness, retinal nerve fibre layer thickness, corneal endothelial cell density and central corneal thickness in children with Type 1 Diabetes Mellitus (DM).

Methods: Thirty children with Type 1 DM and 30 age-matched children as controls were examined. Central macular thickness (CMT) and four quadrants of retinal nerve fibre layer thickness (RNFLT) were measured by optical coherence tomography (OCT), while endothelial cell density (ECD), coefficient of variation in cell size (CV), hexagonality (HEX) and central corneal thickness (CCT) were measured by noncontact specular microscopy.

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Purpose: Ocular burns are ophthalmic emergencies that can cause devastating injuries. This study aimed to analyze the epidemiology, complications, and management of ocular-periocular burns.

Methods: A total of 193 patients with ocular-periocular burns were admitted to our tertiary hospital from January 2018 to December 2020.

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Purpose: To evaluate the spectral-domain optical coherence tomography (SD-OCT) findings and pattern visual evoked potential (VEP) in Charcot-Marie-Tooth (CMT) disease.

Methods: Seventeen patients with CMT disease and 17 control subjects were included in the study. The patients were divided into two groups according to conduction velocity and inheritance pattern as demyelinating type (CMT 1) and axonal type (CMT 2).

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Purpose: To investigate the agreement of the Combined Scheimpflug-Placido Disk System (Sirius), specular microscopy (Tomey EM-4000), non-contact tono-pachymetry (Canon TX-20P), and optical low-coherence reflectometry (Lenstar LS 900) devices in the measurement of central corneal thickness (CCT) in healthy children.

Method: Eighty-three eyes from 83 healthy children were included in the study. The mean age of the children was 11.

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  • The study aimed to assess the thickness of the retinal nerve fiber layer (RNFL), central macular thickness (CMT), and subfoveal choroid thickness (CT) in adolescents with epilepsy, comparing those newly diagnosed to those on a year of Na valproate (VPA) treatment.
  • It involved 60 adolescents with genetic generalized epilepsy (GGE), split into two groups: 30 newly diagnosed patients and 30 on VPA.
  • Results showed that the RNFL and CMT were significantly thinner in the VPA group compared to the newly diagnosed group, with thinning in RNFL extending across all quadrants as the duration of VPA use increased, indicating a need for more research on epilepsy and
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