Aladdin HW2.0 Optik Düşük Koherens İnterferometre ile Oküler Biyometri ve Pupillometrinin Yeniden Üretilebilirliği

Year 2022, Volume: 7 Issue: 2, 278 - 285, 01.06.2022

Yunus Karabela , Bülent Ayan

https://doi.org/10.26453/otjhs.1057079

Abstract

Amaç: Çalışmanın amacı kataraktlı hastalarda ve sağlıklı bireylerde Aladdin HW2.0 (Topcon, Tokyo, Japan) ile oküler biyometri ve pupillometrinin yeniden üretilebilirliğini değerlendirmekti.

Materyal ve Metot: Bu prospektif çalışma sağlıklı bireylerin ve kataraktlı hastaların gözlerinde gerçekleştirildi. Tam bir oftalmolojik muayeneden sonra, iki operator tarafından Aladdin biyometre ile aksiyel uzunluk (AU), ön kamara derinliği (ÖKD), keratometri (K değerleri), limbus-limbus mesafesi (LLM), göz içi lens (GİL) güçleri ve pupillometrik parametreler ölçüldü.

Bulgular: Kataraktlı 40 hastanın 72 gözü, 29 sağlıklı bireyin 57 gözü değerlendirildi. İki grupta da AU, ÖKD, K değerleri, LLM ve GİL güç formülleri yüksek düzeyde yeniden üretilebilirliğe sahipti [sınıf içi korelasyon katsayısı (SKK)>0,900]. Kataraktlı hastalarda AU, sağlıklı bireylerde ÖKD en yüksek yeniden üretilebilirlik gösteren parametreydi. Kataraktlı hastalarda pupillometrinin SKK değerleri 0,900'den daha düşüktü (0,100 ile 0,882 aralığında). Yeniden üretilebilirliği en kötü parametre dinamik pupillometri maksimum çaptı. Sağlıklı gruptan elde edilen fotopik pupil çapı dışındaki pupillometri parametreleri %95 LoA için oldukça geniş bir aralıkta dağılıyordu.

Sonuç: Aladdin HW2.0 optik düşük koherens interferometre, pupillometri ölçümleri hariç AU, ÖKD, K değerleri, LLM ve IOL güç formülleri için mükemmel operatörler arası yeniden üretilebilirlik gösterdi. 

Keywords

Biyometri, interferometri, optik cihazlar, pupillometri

Supporting Institution

Destekleyen kurum bulunmamaktadır.

Reproducibility of Ocular Biometry and Pupillometry with the Aladdin HW2.0 Optical Low-Coherence Interferometer

Abstract

Objective: The purpose of the study was to evaluate the reproducibility of ocular biometry and pupillometry with the Aladdin HW2.0 (Topcon, Tokyo, Japan) in patients with cataracts and healthy subjects.

Materials and Methods: This prospective study was performed in eyes of healthy subjects and patients with cataracts. After a full ophthalmological examination; axial length (AL), anterior chamber depth (ACD), keratometry (K values), white-to-white (WTW), intraocular lens (IOL) powers, and pupillometric parameters were measured with the Aladdin biometer by two operators.

Results: 72 eyes of 40 patients with cataracts and 57 eyes of 29 healthy subjects were evaluated. AL, ACD, K values, WTW and IOL power formulas were highly reproducible [intraclass correlation coefficient (ICC)>0.900] in two groups. AL was the most reproducible parameter in patients with cataracts, ACD in the healthy subjects. The ICC values of pupillometry were lower than 0.900 (range from 0.100 to 0.882) in patients with cataracts. The worst reproducible parameter was the maximum diameter of dynamic pupillometry. Except for the photopic pupil diameter from the healthy group, pupillometry parameters were within a quite wide range for 95% LoA.

Conclusion: The Aladdin HW2.0 optical low coherence interferometer showed excellent inter-operator reproducibility for AL, ACD, K values, WTW and IOL power formulas except for pupillometry measurements. 

Keywords

Biometry, interferometry, optical devices, pupillometry

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