Dynamic changes in higher-order aberrations after correction of lower-order aberrations with adaptive optics in myopic and emmetropic eyes

Yanglin Jiang; Yan Wang; Jiamei Zhang; Xiaoqin Chen; Lihua Li; Haoxin Zhao; Rui Wang; Yun Dai

doi:10.1364/AO.57.000514

Applied Optics
Vol. 57,
Issue 3,
pp. 514-520
(2018)
•https://doi.org/10.1364/AO.57.000514

Dynamic changes in higher-order aberrations after correction of lower-order aberrations with adaptive optics in myopic and emmetropic eyes

Yanglin Jiang, Yan Wang, Jiamei Zhang, Xiaoqin Chen, Lihua Li, Haoxin Zhao, Rui Wang, and Yun Dai

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Yanglin Jiang, Yan Wang, Jiamei Zhang, Xiaoqin Chen, Lihua Li, Haoxin Zhao, Rui Wang, and Yun Dai, "Dynamic changes in higher-order aberrations after correction of lower-order aberrations with adaptive optics in myopic and emmetropic eyes," Appl. Opt. 57, 514-520 (2018)

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- Geometrical Optics
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About this Article
History
- Original Manuscript: September 21, 2017
- Revised Manuscript: December 18, 2017
- Manuscript Accepted: December 18, 2017
- Published: January 18, 2018
Virtual Issues
Virtual Journal for Biomedical Optics Vol. 13, Iss. 3

Abstract

This study investigated the instantaneous changes of higher-order aberrations (HOAs) following lower-order aberrations (LOAs) correction with a closed-loop adaptive optics (AO) system in myopic and emmetropic eyes. Data were analyzed using generalized additive mixed models. Time-related changes in HOAs were modeled with two-piecewise linear regressions and were compared between myopic and emmetropic eyes. Both vertical coma and spherical aberrations shifted to the positive direction immediately after LOA correction. The fluctuations of the above values were significantly faster in myopic than in emmetropic eyes. Understanding these changes in HOAs following LOA correction may help in achieving better visual outcomes.

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	Test Eye	Myopic (Mean ± SE)	Emmetropic (Mean ± SE)	$p$
$n$ (subjects/eyes)	OD	22	22	–
Age (years)	OD	$28.230 \pm 1.032$	$32.320 \pm 1.619$	0.040
Spherical equivalent (D)	OD	$- 1.579 \pm 0.141$	$0.023 \pm 0.043$	$< 0.0001$
Lower-order aberrations
Sphere (D)	OD	$- 1.465 \pm 0.148$	$0.023 \pm 0.043$	$< 0.0001$
Cylinder (D)	OD	$- 0.227 \pm 0.288$	$0.000 \pm 0.000$	$< 0.0001$

Zernike	Pre-Correction (Mean ± S.E.)	Post-Correction (Mean ± S.E.)	$t$ -Value (Two-Tailed)	$P$ -Value
Third-order aberration
C3, −3	$- 0.066 \pm 0.065$	$- 0.036 \pm 0.007$	−0.465	0.647
C3, −1	$- 0.038 \pm 0.014$	$0.006 \pm 0.009$	−3.889	0.001^a
C3, 1	$0.034 \pm 0.019$	$0.024 \pm 0.015$	0.673	0.508
C3, 3	$- 0.033 \pm 0.011$	$- 0.055 \pm 0.012$	1.851	0.078
Forth-order aberration
C4, −4	$- 0.006 \pm 0.011$	$- 0.027 \pm 0.005$	3.476	0.002^a
C4, −2	$0.026 \pm 0.011$	$0.027 \pm 0.004$	−0.146	0.886
C4, 0	$- 0.014 \pm 0.013$	$0.034 \pm 0.011$	−4.058	0.01^a
C4, 2	$0.028 \pm 0.009$	$0.071 \pm 0.006$	−4.193	$< 0.0001$ ^b
C4, 4	$0.006 \pm 0.011$	$0.017 \pm 0.007$	−0.986	0.335
Fifth-order aberration
C5, −5	$0.012 \pm 0.009$	$0.014 \pm 0.004$	−0.150	0.882
C5, −3	$- 0.013 \pm 0.009$	$- 0.015 \pm 0.003$	0.158	0.876
C5, −1	$0.019 \pm 0.010$	$0.016 \pm 0.002$	0.292	0.773
C5, 1	$- 0.012 \pm 0.010$	$- 0.052 \pm 0.004$	3.014	0.007^a
C5, 3	$0.004 \pm 0.012$	$- 0.039 \pm 0.005$	3.076	0.006^a
C5, 5	$- 0.005 \pm 0.011$	$- 0.034 \pm 0.005$	1.975	0.062

Zernike	Pre-Correction (Mean ± S.E.)	Post-Correction (Mean ± S.E.)	$t$ -Value (Two-Tailed)	$P$ -Value
Third-order aberration
C3, −3	$- 0.050 \pm 0.008$	$- 0.042 \pm 0.007$	−0.832	0.415
C3, −1	$- 0.032 \pm 0.010$	$- 0.003 \pm 0.013$	−2.088	0.049^a
C3, 1	$0.029 \pm 0.016$	$0.005 \pm 0.017$	1.164	0.257
C3, 3	$0.006 \pm 0.031$	$- 0.046 \pm 0.011$	1.667	0.110
Forth-order aberration
C4, −4	$- 0.002 \pm 0.004$	$- 0.018 \pm 0.006$	3.045	0.006^a
C4, −2	$0.013 \pm 0.005$	$0.012 \pm 0.008$	0.156	0.877
C4, 0	$- 0.076 \pm 0.005$	$- 0.031 \pm 0.007$	−6.394	$< 0.0001$ ^b
C4, 2	$0.016 \pm 0.007$	$0.043 \pm 0.007$	−2.935	0.008^b
C4, 4	$0.001 \pm 0.005$	$0.009 \pm 0.005$	−1.075	0.295
Fifth-order aberration
C5, −5	$0.001 \pm 0.003$	$0.009 \pm 0.004$	−2.637	0.015^a
C5, −3	$- 0.026 \pm 0.005$	$- 0.014 \pm 0.007$	−1.333	0.197
C5, −1	$0.008 \pm 0.006$	$0.015 \pm 0.005$	−0.946	0. 355
C5, 1	$- 0.024 \pm 0.004$	$- 0.035 \pm 0.005$	1.878	0.074
C5, 3	$- 0.008 \pm 0.003$	$- 0.016 \pm 0.005$	1.501	0.148
C5, 5	$- 0.024 \pm 0.003$	$- 0.020 \pm 0.003$	0.638	0.531

	Myopia (μm/s)			Emmetropic (μm/s)
HOA	Before-	After-	$P$	Before-	After-	$p$
Vertical coma	$- 0.013 \pm 0.014$	$0.232 \pm 0.017$	$< 0.0001$	$- 0.032 \pm 0.014$	$0.095 \pm 0.014$	$< 0.0001$
Horizontal coma	$0.011 \pm 0.022$	$- 0.058 \pm 0.026$	0.006	$0.010 \pm 0.028$	$- 0.071 \pm 0.013$	0.039
Spherical aberration	$0.023 \pm 0.010$	$0.237 \pm 0.013$	$< 0.0001$	$- 0.008 \pm 0.017$	$0.163 \pm 0.010$	$< 0.0001$

	Time (s)	$β$ (μm/s)	95% CI	$p$
Vertical coma
Myopic group	$< 3.562$	0.208	0.112 to 0.288	$< 0.0001$ ^a
	$\geq 3.562$	0.016	−0.016 to 0.064	0.245
Emmetropic group	$< 2.938$	0.096	−0.016 to 0.192	0.093
	$\geq 2.938$	−0.016	−0.048 to 0.016	0.183
Horizontal coma
Myopic group	$< 3.062$	−0.08	−0.192 to 0.032	0.168
	$\geq 3.062$	0.000	−0.032 to 0.016	0.883
Emmetropic group	$< 2.812$	−0.064	−0.176 to 0.064	0.321
	$\geq 2.812$	−0.016	−0.048 to 0.016	0.526
Spherical aberration
Myopic group	$< 3.250$	0.240	0.16 to 0.32	$< 0.0001$ ^a
	$\geq 3.250$	0.048	0.016 to 0.064	0.007^a
Emmetropic group	$< 3.000$	0.160	0.112 to 0. 224	0.0005^a
	$\geq 3.000$	0.000	−0.032 to 0.032	0.886

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Applied Optics