Multi-toric optical element to compensate ocular astigmatism with increased tolerance under rotation

Diana Gargallo; Anabel Martinez-Espert; Sara Perches; M. Victoria Collados; Laura Remón Martín; Jorge Ares

doi:10.1364/OL.518973

Optics Letters
Vol. 49,
Issue 9,
pp. 2289-2292
(2024)
•https://doi.org/10.1364/OL.518973

Multi-toric optical element to compensate ocular astigmatism with increased tolerance under rotation

Diana Gargallo, Anabel Martinez-Espert, Sara Perches, M. Victoria Collados, Laura Remón Martín, and Jorge Ares

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Diana Gargallo, Anabel Martinez-Espert, Sara Perches, M. Victoria Collados, Laura Remón Martín, and Jorge Ares, "Multi-toric optical element to compensate ocular astigmatism with increased tolerance under rotation," Opt. Lett. 49, 2289-2292 (2024)

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Abstract

A new, to the best of our knowledge, optical element designed to compensate regular astigmatism while exhibiting increased tolerance to rotational misalignment is introduced. The element incorporates an optical design based on concentric annular regions with slightly different cylindrical axis angular positions. To assess visual quality performance as a function of rotation, retinal image simulation and clinical assessments with an adaptive optics visual simulator were carried out. The results demonstrate the superior performance of the newly proposed element in the presence of rotational errors when compared to traditional solutions.

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Data underlying the results presented in this paper are not publicly available at this time but may be obtained from the authors upon reasonable request.

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	Visual Acuity (logMAR)
	Conventional		TMT
Rot	Experiment	Fig. 2	Experiment	Fig. 2
On-axis	-0.07 ± 0.07	≤ 0	+0.01 ± 0.07	≤ 0
\|2.50°\|	−0.02 ± 0.04	≤0	+0.00 ± 0.05	≤0
\|5.00°\|	+0.05 ± 0.05	+0.20	+0.02 ± 0.05	≤0
\|7.50°\|	+0.13 ± 0.05	≥+0.20	+0.07 ± 0.06	+0.15
VA =	0.03 Rot −0.085		0.0024 Rot² −0.01 Rot +0.010
r²	0.99		1.00

VA Differences (logMAR) and p-Value On-Axis
Rot	Conventional	TMT
\|2.50°\|	+0.05 p < 0.002^a	−0.01 p = 0.620
\|5.00°\|	+0.12 p < 0.001^a	+0.01 p = 0.551
\|7.50°\|	+0.20 p < 0.001^a	+0.06 p = 0.005^a

	Visual Acuity (logMAR)
	Conventional		TMT
Rot	Experiment	Fig. 2	Experiment	Fig. 2
On-axis	-0.07 ± 0.07	≤ 0	+0.01 ± 0.07	≤ 0
\|2.50°\|	−0.02 ± 0.04	≤0	+0.00 ± 0.05	≤0
\|5.00°\|	+0.05 ± 0.05	+0.20	+0.02 ± 0.05	≤0
\|7.50°\|	+0.13 ± 0.05	≥+0.20	+0.07 ± 0.06	+0.15
VA =	0.03 Rot −0.085		0.0024 Rot² −0.01 Rot +0.010
r²	0.99		1.00

VA Differences (logMAR) and p-Value On-Axis
Rot	Conventional	TMT
\|2.50°\|	+0.05 p < 0.002^a	−0.01 p = 0.620
\|5.00°\|	+0.12 p < 0.001^a	+0.01 p = 0.551
\|7.50°\|	+0.20 p < 0.001^a	+0.06 p = 0.005^a

Anabel Martinez-Espert	https://orcid.org/0000-0002-8548-3157
Laura Remón Martín	https://orcid.org/0000-0002-3979-4528
Jorge Ares	https://orcid.org/0000-0002-1124-0363

Abstract

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Optics Letters