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Related Experiment Video

Updated: Jul 10, 2026

Quantification of Oculomotor Responses and Accommodation Through Instrumentation and Analysis Toolboxes

Quantification of Oculomotor Responses and Accommodation Through Instrumentation and Analysis Toolboxes

Published on: March 3, 2023

[Measurement of accommodation using optical biometry].

A Nurispahic¹, K Kotliar, I Lanzl

¹Augenklinik der TU München, Ismaninger Strasse 22, 81675 München, Deutschland.

Der Ophthalmologe : Zeitschrift Der Deutschen Ophthalmologischen Gesellschaft

|October 18, 2007

Summary

This summary is machine-generated.

Near accommodation causes anterior chamber depth to decrease with age, but not in pseudophakic patients. Axial length increased slightly in all age groups during accommodation.

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Last Updated: Jul 10, 2026

Quantification of Oculomotor Responses and Accommodation Through Instrumentation and Analysis Toolboxes

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Published on: March 3, 2023

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

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

Published on: September 16, 2025

Area of Science:

Ophthalmology
Physiological Optics
Biometry

Context:

Accommodation is crucial for vision across all age groups.
Understanding the optical mechanisms of accommodation is of significant interest.
Optical biometry provides detailed insights into these physiological processes.

Purpose:

To investigate the age-related changes in ocular biometry during accommodation.
To compare accommodative responses in different age groups and lens states (including pseudophakes).
To measure longitudinal changes in the optical axis during accommodation.

Summary:

Near accommodation (NA) led to the greatest anterior chamber depth (ACD) decrease in adolescents (0.14±0.03 mm).
Adults showed an ACD decrease during NA, unlike pseudophakic patients.
Axial length (AL) showed a consistent, albeit small, increase (0.01±0.01 mm) during NA across all subject groups.

Impact:

ACD was found to decrease with advancing age.
Pseudophakic patients did not exhibit ACD changes during NA, suggesting lens-dependent mechanisms.
The observed increase in AL during accommodation warrants further investigation for its clinical significance.