Comparison of Anterior and Posterior Segment Parameters According to Iris Color Spectrum

Abstract

AİM: Comparison of eye anterior and posterior segment parameters according to iris color METHODS: 150 eyes of 150 patients who applied to Aksaray Training and Research Hospital between 2019-2020 were included in the study. 28 blue, 30 green, 29 light brown (light pigmentation), 31 medium brown (medium pigmentation) and 30 dark brown (heavy pigmentation). ) eyes, 5 groups of patients were included in the study. Biomicroscopy and fundus examination were performed on the patients. After measuring the refraction of the patients, corneal topography and optical biometry, Intraocular Pressure (IOP), Central Corneal Thickness (CCT), Anterior Chamber Depth (ACD), Anterior Chamber Angle (ACA), Lens Thickness (LK), Axial Length (AU) Retinal nerve fiber thickness (RSLK), central retinal thickness (CRC) and subfoveal choroidal thickness (SFKK) measurements were made with OCT. RESULTS: The mean age of the patients was 33.4 ±5.5, 35.7±4.7, and 32.9 ±6.7 in patients with blue, green and brown eyes, respectively. There were 15 women and 13 men in the blue-eyed group, 16 women and 14 men in the green-eyed group, and 47 men and 43 women in the brown-eyed group. In terms of anterior and posterior segment parameters, a difference was found between blue eyes and brown eyes in terms of CCT, ACD and LK (p=0.035, 0.004 and 0.012). A difference was found between blue eyes and green eyes in terms of ACD and LK (p=0.006 and 0.041). There was no significant difference between the anterior and posterior segment parameters of the green-eyed and brown-eyed patients. In addition, there was no difference between the groups in terms of other factors. As a result of the correlation analysis performed in terms of parameters according to iris pigmentation level, no positive or negative correlation was found with any parameter. CONCLUSİONS:When evaluating patients, it should be kept in mind that the normal values of some eye parameters may vary according to the differences in iris color.

Keywords

• iris color spectrum
• pigmentation
• central corneal thickness
• subfoveal choroidal thickness

İris Renk Spektrumuna Göre Ön ve Arka Segment Parametrelerinin Karşılaştırılması

Öz

AMAÇ: İris rengine göre göz anterior ve posterior segment parametrelerinin karşılaştırılması YÖNTEM: Aksaray Eğitim ve Araştırma Hastanesine 2019-2020 yılları arasında başvuran 150 hastasının 150 gözü çalışmaya dahil edildi..28 mavi, 30 yeşil, 29 hafif kahverengi(hafif pigmentasyon), 31 orta kahverengi(orta pigmentasyon) ve 30 koyu kahverengi(ağır pigmentasyon) göz olmak üzere 5 grup hasta çalışmaya alındı. Hastalara biyomikroskobik ve fundus muayenesi yapıldı. Hastaların refraksiyonları ölçüldükten sonra, korneal topografi ve optik biyometri ile Göz İçi Basıncı(GİB), Santral Korneal Kalınlık(SKK), Ön Kamara Derinliği(ÖKD), Ön Kamara açısı(ÖKA), Lens Kalınlığı(LK), Aksiyel Uzunluk(AU) ölçümleri ve OCT ile de retinal sinir lifi kalınlığı(RSLK), santral retinal kalınlık(SRK) ve subfoveal koroid kalınlık(SFKK) ölçümleri yapıldı. BULGULAR: Hastaların yaş ortalamaları mavi, yeşil ve kahverengi gözlü hastalarda sırası ile 33.4 ±5.5, 35.7±4,7 ve 32,9 ± 6,7 idi. Mavi gözlü grupta 15 kadın 13 erkek, yeşil gözlü grupta 16 kadın 14 erkek ve kahverengi gözlü grupta 47 erkek 43 bayan yer aldı. Ön ve arka segment parametreleri açısından mavi göz ile kahverengi göz arasında SKK, ÖKD ve LK açısından fark saptandı(p=0.035, 0.004 ve 0.012). Mavi göz ile yeşil göz arasında ÖKD ve LK açısından fark saptandı (p=0.006 ve 0.041). Yeşil göz ve kahverengi gözlü hastaların ön ve arka segment parametreleri arasında da anlamlı bir farklılık saptanmadı. Ayrıca diğer faktörler açısından da gruplar arasında fark saptanmadı. İris pigmentasyon düzeyine göre parametreler açısından yapılan korelasyon analizi sonucu hiç bir parametre ile pozitif yada negatif korelasyon saptanmadı. TARTIŞMA: Hastalar değerlendirilirken bazı göz parametrelerinin normal değerlerinin iris rengindeki farklılıklara göre değişiklik gösterebileceği akılda bulundurulmaldır.

Anahtar Kelimeler

• iris renk spektrumu
• pigmentasyon
• santral korneal kalınlık
• subfoveal koroid kalınlığı

Kaynakça

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