Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Accessory Structures of the Eye

Accessory Structures of the Eye

Optical perception, or vision, is an extraordinary sense dependent on converting light signals received via the ocular organs. These organs, known as eyes, are securely positioned within the bony cavities of the skull, called orbits. The orbits serve a dual purpose: a protective shield for the ocular globes and a stable attachment point for the soft ocular tissues. The eye's external protective mechanisms include the eyelids, which are edged with lashes that act as a barrier against foreign...

Depth Perception and Spatial Vision

Depth Perception and Spatial Vision

Depth perception is the ability to perceive objects three-dimensionally. It relies on two types of cues: binocular and monocular. Binocular cues depend on the combination of images from both eyes and how the eyes work together. Since the eyes are in slightly different positions, each eye captures a slightly different image. This disparity between images, known as binocular disparity, helps the brain interpret depth. When the brain compares these images, it determines the distance to an object.

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Minimizing losses and maximizing efficiency in wind power systems: advanced optimization approaches.

Scientific reports·2026

Same author

Community-wide deworming strategies to reduce high hookworm burden in endemic communities: Results from a cluster randomized trial in Southern India.

PLoS neglected tropical diseases·2026

Same author

Prevalence of herpes simplex virus 1 and 2 in culture-negative suppurative keratitis using polymerase chain reaction - A pilot study.

Indian journal of ophthalmology·2025

Same author

Author Correction: Impact of the indigenous rotavirus vaccine Rotavac in the Universal Immunization Program in India during 2016-2020.

Nature medicine·2025

Same author

Impact of the indigenous rotavirus vaccine Rotavac in the Universal Immunization Program in India during 2016-2020.

Nature medicine·2025

Same author

Prevalence and risk factors of pre-senile lens opacities in the 1969-73 Vellore Birth Cohort.

Eye (London, England)·2025

Search research articles

Related Experiment Video

Updated: Jun 8, 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

Correlation between ocular parameters and amplitude of accommodation.

Lekha Mary Abraham¹, Thomas Kuriakose, Viswanathan Sivanandam

¹Department of Ophthalmology, Christian Medical College, Vellore, India. lekhaabraham@yahoo.com

Indian Journal of Ophthalmology

|October 19, 2010

Summary

Ocular parameters like axial length and anterior chamber depth showed moderate correlation with amplitude of accommodation in young myopes. However, no significant correlation was found overall in the peri-presbyopic age group.

More Related Videos

Binocular Dynamic Visual Acuity in Eyeglass-Corrected Myopic Patients

Binocular Dynamic Visual Acuity in Eyeglass-Corrected Myopic Patients

Published on: March 29, 2022

Related Experiment Videos

Last Updated: Jun 8, 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

Binocular Dynamic Visual Acuity in Eyeglass-Corrected Myopic Patients

Binocular Dynamic Visual Acuity in Eyeglass-Corrected Myopic Patients

Published on: March 29, 2022

Area of Science:

Ophthalmology
Optometry

Background:

Presbyopia affects individuals aged 35-50, impacting near vision.
Understanding ocular parameters influencing accommodation is crucial for managing visual changes.

Purpose of the Study:

To investigate the relationship between ocular parameters (axial length, anterior chamber depth, lens thickness) and amplitude of accommodation (AA) in the peri-presbyopic age group (35-50 years).

Main Methods:

A study of 316 right eyes from patients aged 35-50 with best-corrected visual acuity of 20/20, J1.
Amplitude of accommodation (AA) measured via near point of accommodation.
Ocular parameters including axial length (AL), central anterior chamber depth (CACD), and lens thickness (LT) were measured.

Main Results:

Moderate correlation (r=0.56) between AL and AA, and (r=0.53) between CACD and AA observed in myopes aged 35-39.
No significant correlation found between AL, CACD, and AA in other age groups or overall.
No significant correlation between LT and AA across different age groups and refractive errors.

Conclusions:

No significant correlation exists between amplitude of accommodation and ocular parameters such as anterior chamber depth, axial length, and lens thickness in the peri-presbyopic population.
Specific correlations were noted only in a subgroup of younger myopes.