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Related Experiment Video

Updated: Jul 11, 2026

$Comparison of Agreement and Accuracy using Binocular Wavefront Optometer with Autorefractor and Phoropter$

Comparison of Agreement and Accuracy using Binocular Wavefront Optometer with Autorefractor and Phoropter

Published on: September 16, 2025

[Wavefront analysis in pseudophakic eyes by using allegretto wave analyzer].

Jianjing Li¹, Zhende Lin, Yonghua Li

¹Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou 510060, China.

Yan Ke Xue Bao = Eye Science

|September 18, 2007

Summary

Higher order aberrations are present in pseudophakic eyes after cataract surgery. These aberrations decrease over time but may impact visual quality compared to normal eyes.

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Assessing Early Stage Open-Angle Glaucoma in Patients by Isolated-Check Visual Evoked Potential

Assessing Early Stage Open-Angle Glaucoma in Patients by Isolated-Check Visual Evoked Potential

Published on: May 25, 2020

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Last Updated: Jul 11, 2026

$Comparison of Agreement and Accuracy using Binocular Wavefront Optometer with Autorefractor and Phoropter$

Comparison of Agreement and Accuracy using Binocular Wavefront Optometer with Autorefractor and Phoropter

Published on: September 16, 2025

Assessing Early Stage Open-Angle Glaucoma in Patients by Isolated-Check Visual Evoked Potential

Assessing Early Stage Open-Angle Glaucoma in Patients by Isolated-Check Visual Evoked Potential

Published on: May 25, 2020

Area of Science:

Ophthalmology
Optics
Biomedical Engineering

Context:

Pseudophakic eyes result from intraocular lens (IOL) implantation after cataract removal.
Wavefront aberrations can affect visual quality in pseudophakic eyes.
Understanding these aberrations is crucial for optimizing visual outcomes.

Purpose:

To analyze and quantify wavefront aberrations in pseudophakic eyes following phacoemulsification and IOL implantation.
To compare aberration levels at different postoperative stages with healthy control eyes.

Summary:

Higher order aberrations (HOAs) were detected in all pseudophakic eyes studied.
HOAs peaked at one month post-operation (RMSh 0.4782 ± 0.3952 µm) and decreased by three months (RMSh 0.2880 ± 0.1522 µm).
No statistically significant difference in HOAs was found between pseudophakic eyes and healthy controls.

Impact:

HOAs in pseudophakic eyes may explain why visual quality does not statistically surpass that of normal eyes.
Development of IOLs designed to reduce HOAs could enhance visual quality in pseudophakic patients.
This research supports the ongoing optimization and design of individualized intraocular lenses.