Influence Of Axial Length On Rotational Stability And Other Clinical Outcomes After Implantation Of A Hydrophilic Toric Intraocular Lens
Published 2023 - 41st Congress of the ESCRS
Reference: PP20.05 | Type: Free paper | DOI: 10.82333/8x75-yb62
Authors: Wladislaw Rusch* 1 , Mahmoud Anwar 1 , Cemre Altas 1 , Michael Steirat 1 , Thomas A. Fuchsluger 1 , Markus Walckling 1 , Tobias Brockmann 1
1Klinik und Poliklinik für Augenheilkunde,Universitätsaugenklinik Rostock,Rostock,Germany
Purpose
To determine wheter axial length influences rotational stability as well as other clinical outcomes for the Torica_aA intraocular lens.
Setting
The influence of axial length (AL) on clinical outcomes, especially rotational stability, after implantation of the hydrophilic toric intraocular lens Torica_aA (tIOL) in eyes with an AL of <25 mm versus ≥25 mm was compared.
Methods
A total of 50 eyes will be included in this prospective, mono-center study. Currently, 42 eyes were treated, including 21 eyes with an AL of <25mm and 21 with an AL of ≥25mm. Postoperative follow-up visits occurred at 1 day, 1 week, 1 month, and 4-6 months. The study is expected to be completed in the summer of 2023.
Results
Mean age was 67.83±8.53 years. At 4-6 months postoperatively, mean refractive astigmatism was reduced from -2.63±1.23 D to -0.85±0.48 D for eyes with an AL <25 mm (p<0.001) and from -1.94±1.48 D to -0.64±0.39 D for eyes with an AL ≥25 mm (p=0.001), respectively. Mean distance corrected visual acuity improved from 0.36±0.15 logMAR to 0.08±0.12 logMAR for eyes with an AL <25 mm and from 0.41±0.26 logMAR to 0.16±0.05 logMAR for eyes with an AL ≥25 mm (p=0.167). The average difference between calculated and actual axial position of the tIOL was 3.22° 4-6 months after implantation, for the subgroups it was 2.94° (AL<25 mm) and 3.78° (AL ≥ 25 mm, p=0.731), respectively. No relevant intraoperative or postoperative complications were observed.
Conclusions
The data shows that for the Torica_aA AL had no significant influence on visual acuity (p=0.167), resulting refractive astigmatism (p=0.277) or IOL rotational stability (p=0.731). This tIOL is equally applicable for both short and long eyes. A final conclusion can be drawn after study completion.