Computer Vision Syndrome: Difference between revisions
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=== Prevention and Management === | |||
# Education: Patients should on how to avoid eye strain. The 20-20-20 rule is an easy method to do this- take a 20-second break to view something 20 feet away every 20 minutes. Adults with children should also be educated on possible dangers of this condition.<ref name=":1" /> | |||
# Proper Ergonomics: Computer monitors | |||
== Resources == | == Resources == | ||
Revision as of 01:32, 5 January 2022
This article is currently under review and may not be up to date. Please come back soon to see the finished work! (5/01/2022)
Original Editor - Franca Ebomah
Top Contributors - Franca Ebomah, Rishika Babburu and Kim Jackson
Introduction[edit | edit source]
Computer Vision Syndrome (CVS) has become one of the major health issues with the increased use of electronic devices with visual displays. Over 60 million people were estimated to be diagnosed with Computer Vision Syndrome.[1]CVS represents a group of visual and extraocular symptoms associated with the sustained use of visual display terminals.[2]
Symptoms:[edit | edit source]
The most common symptoms are
The symptoms can be further divided into
- Visual symptoms - It includes blurred vision: constant blurred vision, post work distance blur and intermittent blurred vision at near.
- Ocular symptoms - They include eye strain, itching eyes, burning eyes, foreign body sensation, sore eyes, dysfunction of Meibomian glands[4],excessive tears and excessive blinking[5]
- Asthenopia -
- Light sensitivity
- Musculoskeletal
- General symptoms[2]
Causes:[edit | edit source]
CVS results from a heightened use of electronic devices such as computers, laptops, smart phones, tablets, e-readers, and even watches.[3] The texts and images on the screens of these devices are created by combinations of tiny points of light called pixels. These pixels, which are brightest at the center and lessen in intensity toward the edges, make it difficult for the human eye to maintain focus.[6]In addition, the following can cause symptoms of CVS:
- Poor lighting
- Glare and reflection on the screen
- Improper viewing distances
- Poor posture
- Uncorrected vision problems
- Or a combination of these factors[3]
Assessment and Diagnosis[edit | edit source]
A comprehensive subjective and physical examination are required to assess CVS.
Subject Assessment:
- History of CVS symptoms
- General health problems
- Medication use
- Environmental factors[3]
Physical Examination:
- Visual acuity testing
- Refraction testing
- Eye movement, focus and synchronization testing[3]
Prevention and Management[edit | edit source]
- Education: Patients should on how to avoid eye strain. The 20-20-20 rule is an easy method to do this- take a 20-second break to view something 20 feet away every 20 minutes. Adults with children should also be educated on possible dangers of this condition.[3]
- Proper Ergonomics: Computer monitors
Resources[edit | edit source]
- bulleted list
- x
or
- numbered list
- x
References[edit | edit source]
- ↑ Ranasinghe P, Wathurapatha WS, Perera YS, Lamabadusuriya DA, Kulatunga S, Jayawardana N, Katulanda P. Computer vision syndrome among computer office workers in a developing country: an evaluation of prevalence and risk factors. BMC research notes. 2016 Dec;9(1):1-9.
- ↑ 2.0 2.1 Parihar JK, Jain VK, Chaturvedi P, Kaushik J, Jain G, Parihar AK. Computer and visual display terminals (VDT) vision syndrome (CVDTS). Medical Journal Armed Forces India. 2016 Jul 1;72(3):270-6.
- ↑ 3.0 3.1 3.2 3.3 3.4 3.5 Randolph SA. Computer vision syndrome. Workplace health & safety. 2017 Jul;65(7):328-.
- ↑ Wu H, Wang Y, Dong N, Yang F, Lin Z, Shang X, Li C. Meibomian gland dysfunction determines the severity of the dry eye conditions in visual display terminal workers. PloS one. 2014 Aug 21;9(8):e105575.
- ↑ Bogdănici CM, Săndulache DE, Nechita CA. Eyesight quality and computer vision syndrome. Romanian journal of ophthalmology. 2017 Apr;61(2):112.
- ↑ Heiting, G., & Wan, L. K. (2017). Computer vision syndrome and computer glasses: FAQ. All About Vision. Available from: https://www.allaboutvision.com/cvs/ (Accessed on 04/01/2022)
