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Updated: Jun 23, 2026
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Assessing Binocular Central Visual Field and Binocular Eye Movements in a Dichoptic Viewing Condition
Published on: July 21, 2020
Temporal dynamics of ocular aberrations: monocular vs binocular vision
A Mira-Agudelo1, L Lundström, P Artal
1Laboratorio de Optica, Centro de Investigación en Optica y Nanofísica (CiOyN), Universidad de Murcia, Campus de Espinardo Murcia, Murcia 30100, Spain. amira@um.es
Summary
Ocular aberrations change over time, especially when the eye accommodates. While binocular vision shows slightly different temporal dynamics than monocular vision, the difference is usually not practically significant for adaptive optics.
Area of Science:
- Ophthalmology
- Vision Science
- Optical Engineering
Background:
- Temporal dynamics of ocular aberrations are crucial for understanding visual performance and adaptive optics.
- Previous studies on eye dynamics were primarily monocular, potentially limiting their applicability.
Purpose of the Study:
- To investigate the temporal dynamics of ocular aberrations under monocular and binocular conditions.
- To compare these dynamics in relaxed and accommodated states.
- To assess the impact of viewing conditions on aberration temporal behavior.
Main Methods:
- Measured wavefront aberrations and their temporal dynamics using a fast-acquisition Hartmann-Shack wavefront sensor.
- Recorded data during monocular and binocular vision with fixation targets at different distances (5m and 25cm).
- Analyzed temporal frequencies up to 100 Hz in 5-second series for six healthy subjects.
Main Results:
- Increased temporal variability in root-mean-square wavefront error was observed during accommodation, primarily below 30 Hz.
- A statistically significant difference in temporal behavior between monocular and binocular viewing was detected.
- This difference was generally small in magnitude, though some subjects exhibited higher monocular variability during near vision.
Conclusions:
- Accommodation significantly impacts the temporal dynamics of ocular aberrations.
- While binocular and monocular viewing conditions show differences in aberration dynamics, these are typically not clinically significant.
- Pupil size dynamics do not directly correlate with the temporal dynamics of ocular aberrations.
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