Related Experiment Video

Updated: Jan 3, 2026

Smartphone Fundus Photography
05:51

Smartphone Fundus Photography

Published on: July 6, 2017

40.0K

Diplopia after Excessive Smart Phone Usage

Savleen Kaur1, Jaspreet Sukhija1, Rahul Khanna1

  • 1Department of Ophthalmology, Post Graduate Institute of Medical Education and Research, Chandigarh, India.

Neuro-Ophthalmology (Aeolus Press)
|November 20, 2019
PubMed

Insights

Excessive smartphone use in children may trigger accommodative spasm, leading to acute esotropia and double vision. This case series highlights a potential link between digital device usage and this eye condition.

Area of Science:

  • Ophthalmology
  • Pediatric Ophthalmology
  • Neuro-ophthalmology

Background:

  • Acute comitant esotropia presents with varied differential diagnoses in pediatric patients.
  • Diplopia is a common presenting symptom requiring thorough investigation.

Observation:

  • Three pediatric cases of acute onset diplopia were analyzed.
  • Detailed patient history revealed excessive smartphone usage in the month preceding symptom onset.

Findings:

  • A hypothesis suggests that prolonged near work on smartphones overstimulates the ciliary muscle.
  • This overstimulation may induce accommodative spasm, resulting in acute esotropia.
  • This study is the first to report a potential association between smartphone use and accommodative spasm in children.

Implications:

  • Findings suggest a novel environmental factor contributing to pediatric eye conditions.
  • Clinicians should consider excessive digital device use when evaluating children with acute esotropia.
  • Further research is warranted to confirm the link between smartphone habits and accommodative spasm.

Keywords:
Diplopiaaccommodative spasmsmart phone

More Related Videos

Subjective Refraction Test Using a Smartphone for Vision Screening05:36

Subjective Refraction Test Using a Smartphone for Vision Screening

Published on: October 18, 2024

1.6K
Stereoacuity Improvement using Random-Dot Video Games06:25

Stereoacuity Improvement using Random-Dot Video Games

Published on: January 14, 2020

14.9K

Related Concept Videos

Accessory Structures of the Eye01:17

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...
3.2K
Focusing of Light in the Eye01:16

Focusing of Light in the Eye

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...
5.1K
Photoreceptors and Visual Pathways01:22

Photoreceptors and Visual Pathways

At the molecular level, visual signals trigger transformations in photopigment molecules, resulting in changes in the photoreceptor cell's membrane potential. The photon's energy level is denoted by its wavelength, with each specific wavelength of visible light associated with a distinct color. The spectral range of visible light, classified as electromagnetic radiation, spans from 380 to 720 nm. Electromagnetic radiation wavelengths exceeding 720 nm fall under the infrared category,...
8.6K
Prosopagnosia01:24

Prosopagnosia

Prosopagnosia, also known as face blindness, is the inability to recognize faces. In severe cases, individuals with prosopagnosia may not recognize close family members, including parents and spouses, by their faces. For instance, someone with prosopagnosia might walk past their child in a crowd, only realizing their mistake upon noticing their child's distinctive backpack or favorite jacket. Prosopagnosia specifically impairs facial recognition, while the recognition of other objects or...
643
Glaucoma: Overview01:25

Glaucoma: Overview

Glaucoma is an eye condition characterized by increased intraocular pressure that damages the retina and optic nerve, leading to irreversible blindness if left untreated. The human eye has various components, including the cornea, iris, pupil, lens, and optic nerve. Aqueous humor is secreted by the epithelium of the ciliary body in the posterior chamber and flows through the trabecular meshwork and canal of Schlemm, maintaining normal intraocular pressure. The trabecular meshwork and the canal...
1.2K
Angle Closure Glaucoma: Treatment01:28

Angle Closure Glaucoma: Treatment

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