Related Experiment Video
Updated: Aug 1, 2025
08:27
Quantification of Oculomotor Responses and Accommodation Through Instrumentation and Analysis Toolboxes
Published on: March 3, 2023
1000
Computer vision syndrome-related symptoms in presbyopic computer workers
Caridad Galindo-Romero1,2,3, Celia L Rodríguez-Zamora4, Diego García-Ayuso5,4
1Departamento de Oftalmología, Facultad de Medicina, Universidad de Murcia and Instituto Murciano de Investigación Biosanitaria Pascual Parrilla (IMIB-Pascual Parrilla), Murcia, Spain. caridad.galindo@um.es.
International Ophthalmology
|April 27, 2023
Summary
Computer vision syndrome (CVS) symptoms are common in presbyopic individuals. Poor ergonomics and device habits worsen CVS, highlighting the need for better workplace setups, especially for remote workers.
Area of Science:
- Ophthalmology
- Occupational Health
- Human-Computer Interaction
Background:
- Computer vision syndrome (CVS) is a growing concern with increased screen time.
- Presbyopia, age-related farsightedness, may influence CVS symptom prevalence and severity.
- Understanding CVS in this demographic is crucial for maintaining visual health and productivity.
Purpose of the Study:
- To determine the frequency of CVS symptoms in presbyopic individuals who primarily use computers for work.
- To investigate the association between CVS symptoms and electronic device usage patterns.
- To explore the link between ergonomic factors and CVS symptoms in this population.
Main Methods:
- A questionnaire was administered to 198 presbyopic participants (aged 45-65) who regularly use computers.
- Data collected included demographics, optical correction, device use habits, and ergonomic conditions.
- The Computer Vision Syndrome (CVS) symptom severity was assessed, and a median total symptom score (MTSS) was calculated.
Main Results:
- The median total symptom score (MTSS) was 7 ± 5, with dry eyes, tired eyes, and difficulty refocusing being most prevalent.
- Higher MTSS was observed in women, laptop users, and teleworkers compared to office workers.
- Poor ergonomics, including lack of breaks, inadequate lighting, and neck/back pain, significantly correlated with higher MTSS.
Conclusions:
- A significant relationship exists between CVS symptoms, electronic device use, and ergonomic factors.
- Workplace adaptations and adherence to visual ergonomics guidelines are essential.
- Particular attention should be given to home-based teleworkers to mitigate CVS risks.
Related Concept Videos
01:17Accessory Structures of the Eye
1.7K
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...
1.7K
01:22Photoreceptors and Visual Pathways
6.2K
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,...
6.2K
01:25Glaucoma: Overview
648
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...
648
01:16Focusing of Light in the Eye
3.0K
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...
3.0K
01:28Angle Closure Glaucoma: Treatment
587
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...
587
01:26Visual System
631
Light enters the eye through the cornea, a transparent, dome-shaped surface covering the surface of the eyeball that helps to direct and focus incoming light. This light is then channeled toward the pupil, an adjustable opening whose size is controlled by the iris. The iris, a pigmented muscle, regulates the amount of light entering the eye by contracting or dilating the pupil, thereby ensuring optimal light levels for clear vision.
Once through the pupil, the light passes through the lens, a...
Once through the pupil, the light passes through the lens, a...
631