Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Focusing of Light in the Eye01:16

Focusing of Light in the Eye

5.0K
Light rays enter the eye through the cornea, a transparent dome-shaped tissue that is the eye's outermost layer. The cornea bends or refracts, light rays traveling to the pupil. The shape of the cornea determines how much of the light is bent and whether the image will be focused correctly on the retina at the back of the eye. Once the light has passed through both refraction layers, it converges into a single focal point onto a small area. This is where photoreceptors start transforming...
5.0K
Depth Perception and Spatial Vision01:15

Depth Perception and Spatial Vision

1.7K
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.
1.7K
Accessory Structures of the Eye01:17

Accessory Structures of the Eye

3.2K
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...
3.2K
Angle Closure Glaucoma: Treatment01:28

Angle Closure Glaucoma: Treatment

1.1K
Angle-closure glaucoma, or closed-angle glaucoma, is an eye condition where the iris bulges out and blocks the iridocorneal angle, resulting in a buildup of aqueous humor and increased intraocular pressure. Immediate medical attention is necessary due to the sudden onset of symptoms. The treatment for angle-closure glaucoma includes short-term and long-term approaches. Short-term treatment involves using eye drops like pilocarpine to lower intraocular pressure by increasing aqueous humor...
1.1K
Open Angle Glaucoma: Treatment01:27

Open Angle Glaucoma: Treatment

901
In open-angle glaucoma, the iridocorneal angle remains open, but the trabecular meshwork becomes stiff, slowing down the outflow of aqueous humor. This causes a buildup of aqueous humor in the anterior chamber, leading to a sudden increase in intraocular pressure. The treatment for open-angle glaucoma focuses on reducing the elevated intraocular pressure by either decreasing the secretion of aqueous humor or increasing its outflow.
Drugs such as carbonic anhydrase inhibitors, α2- and...
901

You might also read

Related Articles

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

Sort by
Same author

[Prognostic role of early changes in choroidal thickness during optical therapy with HAL lenses in children with progressive myopia].

Vestnik oftalmologii·2025
Same author

[Early changes in choroidal thickness and axial length in the use glasses of monofocal lenses and highly aspherical lenslets in children with newly diagnosed myopia].

Vestnik oftalmologii·2024
Same author

[Wavefront characteristics in amblyopia of different etiologies in children].

Vestnik oftalmologii·2024
Same author

[Changes in the wavefront and peripheral defocus profile after excimer laser and orthokeratology corneal reshaping in myopia].

Vestnik oftalmologii·2024
Same author

[Correlation of chorioretinal parameters with anatomical, optical and functional indicators of eyes with amblyopia of various origins].

Vestnik oftalmologii·2022
Same author

[Changes in subfoveal choroidal thickness in myopic children who wear bifocal soft contact lenses].

Vestnik oftalmologii·2022

Related Experiment Video

Updated: Dec 29, 2025

Quantification of Oculomotor Responses and Accommodation Through Instrumentation and Analysis Toolboxes
08:27

Quantification of Oculomotor Responses and Accommodation Through Instrumentation and Analysis Toolboxes

Published on: March 3, 2023

1.3K

[Objective parameters of accommodation in concomitant strabismus].

E P Tarutta1, N A Aklaeva1, N A Tarasova1

  • 1Helmholtz National Medical Research Center of Eye Diseases, 14/19 Sadovaya-Chernogryazskaya St., Moscow, Russian Federation, 105062.

Vestnik Oftalmologii
|February 5, 2020
PubMed
Summary
This summary is machine-generated.

This study developed an objective method for measuring accommodative response (AR) in strabismus patients using prisms. Convergent strabismus showed higher AR than divergent strabismus, with reduced response in the squinting eye.

Keywords:
accommodative responseconsensual accommodationhyperopiamyopiaresting tonus of accommodationstrabismus

More Related Videos

Comparison of Three Clinical Stereoscopic Methods for Measuring Binocular Visual Function During Amblyopic Treatment in Unilateral Amblyopia
06:19

Comparison of Three Clinical Stereoscopic Methods for Measuring Binocular Visual Function During Amblyopic Treatment in Unilateral Amblyopia

Published on: September 27, 2024

471
Binocular Dynamic Visual Acuity in Eyeglass-Corrected Myopic Patients
07:06

Binocular Dynamic Visual Acuity in Eyeglass-Corrected Myopic Patients

Published on: March 29, 2022

3.1K

Related Experiment Videos

Last Updated: Dec 29, 2025

Quantification of Oculomotor Responses and Accommodation Through Instrumentation and Analysis Toolboxes
08:27

Quantification of Oculomotor Responses and Accommodation Through Instrumentation and Analysis Toolboxes

Published on: March 3, 2023

1.3K
Comparison of Three Clinical Stereoscopic Methods for Measuring Binocular Visual Function During Amblyopic Treatment in Unilateral Amblyopia
06:19

Comparison of Three Clinical Stereoscopic Methods for Measuring Binocular Visual Function During Amblyopic Treatment in Unilateral Amblyopia

Published on: September 27, 2024

471
Binocular Dynamic Visual Acuity in Eyeglass-Corrected Myopic Patients
07:06

Binocular Dynamic Visual Acuity in Eyeglass-Corrected Myopic Patients

Published on: March 29, 2022

3.1K

Area of Science:

  • Ophthalmology
  • Vision Science
  • Neuroscience

Background:

  • Strabismus, a common eye condition, affects binocular vision and accommodation.
  • Accurate measurement of accommodative response (AR) is crucial for understanding visual function in strabismus.
  • Current methods for assessing AR in strabismus may lack objectivity.

Purpose of the Study:

  • To establish an objective method for determining binocular accommodative response (AR) and concomitant accommodation in patients with strabismus.
  • To evaluate the efficacy of prisms in eliminating deviation for accurate AR measurement.

Main Methods:

  • Utilized a Binocular Auto Ref/Keratometer (Grand Seiko WR-5100K) for accommodation parameter measurement.
  • Included 34 patients (68 eyes) with concomitant horizontal strabismus (ages 6-32).
  • Employed prisms to eliminate ocular deviation before or during measurement.

Main Results:

  • Prism application did not alter refractometry results.
  • Monocular, binocular, direct, and consensual AR were significantly higher in convergent strabismus compared to divergent strabismus.
  • In divergent strabismus, the binocular response was 2.8 times higher in myopia than in hyperopia.
  • Resting tonus of accommodation (RTA) was higher in hyperopic patients (both convergent and divergent strabismus) and minimal in myopic convergent strabismus.

Conclusions:

  • Developed an objective method for accommodometry in strabismic patients using prisms.
  • Monocular and binocular AR are significantly higher in convergent strabismus versus divergent strabismus.
  • Consensual accommodation of the squinting eye is reduced in divergent strabismus; RTA is higher in hyperopia than myopia.