Spherical aberrations and their role in modern ophthalmology

Skrzypecki, Janusz; Izdebska, Justyna; Ordon, Agata Joanna; Przybek-Skrzypecka, Joana; Szaflik, Jacek P.

doi:10.1080/08164622.2022.2160235

Cited by 2 publications

(1 citation statement)

References 107 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Notably, the Zernike representation’s limitation in reflecting the weights of visual impairment was addressed through indirect confirmation in this study, highlighting the highest influence of spherical aberrations among all high-order aberrations. 11 Third, the sustained higher absolute value of the negative shift in vertical coma suggests a slight upward shift in the ablation center compared to the corneal vertex. Similar observations have been described in EX500 excimer treatments using corneal topography for iris registration, 12 with potential explanations rooted in gravity-induced Kappa angle shifts from a sitting position to a supine position.…”

Section: Discussionmentioning

confidence: 96%

Optimization of Ray-Tracing-Guided LASIK Outcomes: A Prospective Comparative Study of ZZ InnovEyes Strategy versus Automated Strategy

Cao,

Zhang,

Shao

et al. 2024

OPTH

View full text Add to dashboard Cite

Section: Discussionmentioning

confidence: 96%

Optimization of Ray-Tracing-Guided LASIK Outcomes: A Prospective Comparative Study of ZZ InnovEyes Strategy versus Automated Strategy

Cao,

Zhang,

Shao

et al. 2024

OPTH

View full text Add to dashboard Cite

Study of the InnovEyes Sightmap Platform in Comparing Ray-Tracing–Guided LASIK and Topography-Guided LASIK

Cao,

Zhang,

Shao

et al. 2024

J Refract Surg

View full text Add to dashboard Cite

Purpose To evaluate the performance of the InnovEyes Sightmap platform (Alcon Laboratories, Inc) in refractive surgery by comparing the visual acuity and higher order aberrations (HOAs) between ray-tracing–guided laser in situ keratomileusis (LASIK) and topography-guided LASIK. Methods This prospective study enrolled participants who underwent either ray-tracing–guided LASIK or topography-guided LASIK. Comprehensive ophthalmic evaluations were performed preoperatively, as well as at 1 day, 2 weeks, 1 month, and 3 months postoperatively. Patients in the ray-tracing–guided LASIK group underwent wavefront, tomography, and biometry assessment using the InnovEyes Sightmap diagnostic device. Assessments included visual acuity, manifest refraction, and whole-eye HOAs. Results A total of 42 eyes treated with ray-tracing–guided LASIK and 42 eyes treated with topography-guided LASIK were analyzed. Both strategies demonstrated comparable good refraction accuracy and refractive stability ( P > .05). The ray-tracing–guided LASIK group exhibited significantly better postoperative uncorrected distance visual acuity (UDVA) compared to the topography-guided LASIK group (−0.12 ± 0.05 vs −0.07 ± 0.04 logarithm of the minimum angle of resolution, respectively; P < .05), with 48% of eyes achieving a UDVA of 20/12.5 or better. Ray-tracing–guided LASIK induced a small but statistically significant increase in HOAs and vertical coma aberration, along with a significant reduction in spherical aberration ( P < .05). In contrast, topography-guided LASIK resulted in a significant increase in vertical coma ( P < .05) without significant changes in overall HOAs or spherical aberration ( P > .05). At 3 months postoperatively, spherical aberration was significantly different between the two groups (−0.021 ± 0.031 vs 0.054 ± 0.122 µm, respectively; P < .05). Conclusions The InnovEyes Sightmap platform's ray-tracing–guided LASIK demonstrated potential advantages in visual acuity outcomes compared to topography-guided LASIK. The observed negative shift in spherical aberration, characterized by a lower absolute value, may have contributed to the enhanced visual acuity results. [ J Refract Surg . 2024;40(12):e994–e1002.]

show abstract

Spherical aberrations and their role in modern ophthalmology

Cited by 2 publications

References 107 publications

Optimization of Ray-Tracing-Guided LASIK Outcomes: A Prospective Comparative Study of ZZ InnovEyes Strategy versus Automated Strategy

Optimization of Ray-Tracing-Guided LASIK Outcomes: A Prospective Comparative Study of ZZ InnovEyes Strategy versus Automated Strategy

Study of the InnovEyes Sightmap Platform in Comparing Ray-Tracing–Guided LASIK and Topography-Guided LASIK

Contact Info

Product

Resources

About