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Related Experiment Video

Updated: Oct 25, 2025

Assessing Binocular Central Visual Field and Binocular Eye Movements in a Dichoptic Viewing Condition

Assessing Binocular Central Visual Field and Binocular Eye Movements in a Dichoptic Viewing Condition

Published on: July 21, 2020

Temporal Visual Field Border.

Jan Lestak¹, Tomas Lestak¹, Martin Fus¹

¹Faculty of Biomedical Engineering, Czech Technical University in Prague, Prague, Czech Republic.

Clinical Ophthalmology (Auckland, N.Z.)

|August 11, 2021

Summary

This summary is machine-generated.

This study determined the physiological temporal visual field border. Perimetric examination revealed a border up to 110 degrees, while geometric optics modeling suggested a theoretical limit of 102 degrees in healthy individuals.

Keywords:

optimal eye parameters perimetry temporal visual field border visual field

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Area of Science:

Ophthalmology
Optometry
Physiological Optics

Background:

The temporal visual field border is crucial for spatial awareness and navigation.
Understanding its physiological limits is essential for diagnosing visual field defects.

Purpose of the Study:

To determine the physiological temporal visual field border.
To compare perimetric examination findings with theoretical calculations based on geometric optics.

Main Methods:

Perimetric examination of 15 healthy subjects (7 women, 8 men) using a Medmont M700.
Nasal displacement of the fixation point by 40 degrees.
Creation of an eye model using AD systems AutoCad and SolidWorks to simulate light ray entry based on geometric optics.

Main Results:

Perimetric examination indicated a temporal visual field border of up to 110 degrees.
Geometric optics modeling predicted a theoretical temporal visual field boundary of 102 degrees.

Conclusions:

Geometric optics calculations suggest a theoretical temporal visual field limit of 102 degrees.
Perimetric examination results show a higher physiological limit of 110 degrees in healthy individuals.
Discrepancies highlight the complexity of visual field border determination.