Effect of Photochromic Senofilcon A Contact Lens on Total Aberrations of the Eye

Year 2023, Volume: 12 Issue: 2, 98 - 104, 31.08.2023

Deniz Kılıc , Muhammed Raşit Sirem , Yunus Naci Aziz , Semra Koca , İbrahim Toprak

https://doi.org/10.47493/abantmedj.1236292

Abstract

Purpose: To investigate the effect of newly designed photochromic Senofilcon-A lens(PCL) on optical aberrations of the eye (total (TA) and high-order-aberrations (HOA)) under ambient illumination conditions.
Methods: In this retrospective study, 40 eyes of 20 volunteers were fitted with a non-photochromic Senofilcon-A contact lens on the right eye, a PCL on left eye. Subjects were evaluated in terms of best-corrected visual-acuity. Aberrometric measurements were obtained at baseline(lens-free), with activated and deactivated PCL in 3 mm, 6 mm and maximum pupil size.
Results: In lens-free situation there was no difference in terms of TA and HOAs(for 3mm, 6mm and max-pupil-size, TA; P= .456; P= .687; P= .899 and HOA; P = .226; P = .259; P = .442 respectively).In all pupil diameters, in the PCL group compared to the standard lens group, there was a slight increase in total aberrations independent of lens activation, which was not statistically significant(for 3mm,6mm and max-pupil-size, activated lens situation;P = .523; P = .622; P = .244 and deactivated lens situation; P = .785; P = .357; P = .201,respectively). Contrary to total aberrations, higher order aberrations were non-significantly slightly decreased in the PCL group(for 3mm,6mm and max-pupil-size, activated lens situation; P = .235; P = .661; P = .841 and deactivated lens situation;P = .245; P = .071; P = .231,respectively).
Conclusion: The PCL produces similar TA and HOAs with the non-photochromic soft contact lens in both activated and deactivated situation. PCLs can be preferred for those who need uninterrupted vision in variable light conditions.

Keywords

aberasyon, kontakt lens, fotokoromik, ultraviyole

Fotokromik Senofilcon A Kontakt Lensin Total Göz Aberasyonlarına Etkisi

Abstract

Amaç: Fotokromik Senofilcon-A kontakt lensin (FKL) ortam aydınlatma koşullarında gözün optik aberasyonları (toplam (TA) ve yüksek sıralı aberasyonlar (YSA)) üzerindeki etkisini araştırmak.
Yöntemler: Bu geriye dönük çalışmada, sağ gözlerine fotokromik olmayan Senofilcon-A kontakt lens (KL), sol gözlerine FKL takılan 20 gönüllü ele alındı. FKL aktif ve inaktif fazlarında ölçümler yapıldı. FKL’nin aktif fazına ulaşabilmek ultraviyole cihazı kullanıldı. Aberrometrik ölçümler 3 aşamada; lens takılmadan önce, FKL inaktifken ve FKL aktifken yapıldı. Ayrıca pupil boyutlarının aberasyonları etkileyebileceğinden aberasyonlar pupil çapları 3 mm, 6 mm ve maksimum genişlikte alındı.
Bulgular: Her iki göz için başlangıçta TA ve YSA'lar açısından fark yoktu (3 mm, 6 mm ve maksimum pupil boyutu için, TA; P= 0,456; P= 0,687; P= 0,899 ve YSA; P = 0,226; P = 0,259; P = 0,442). Tüm pupil çaplarında, FKL grubunda KL grubuna göre toplam aberasyonlarda lens aktivasyonundan bağımsız olarak istatistiksel anlamlı olmayan artış bulundu (3 mm, 6 mm ve maksimum pupil boyutu için, aktif lens durumu; P = 0,523; P = 0,622; P = 0,244 ve inaktif lens durumu; P = 0,785; P = 0,357; P = 0,201, sırasıyla). FKL grubunda, YSA’larda istatistiksel anlamlı olmayan azalma bulundu (3mm,6mm ve maksimum pupil boyutu için, aktif lens durumu; P = 0,235; P = 0,661; P = 0,841 ve inaktif lens durumu; P = 0,245; P = 0,071; P = 0,231, sırayla).
Sonuç: FKL, hem aktif hem de inaktif durumda fotokromik olmayan yumuşak kontakt lens ile benzer TA ve YSA'lara sahip olduğu bulundu. Değişken ışık koşullarında FKL tercih sebebi olabilirler.

Keywords

aberasyon, kontakt lens, fotokoromik, ultraviyole

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