What is Computer Vision Syndrome?
As we steep ourselves in technology and its multifaceted modes of commerce and entertainment, we pave the way for it becoming a liability affecting our work and health. They contribute to a set of signs and symptoms from prolonged and incorrect usage called computer vision syndrome or digital eye strain. Especially after the Covid pandemic, more and more adults and children now find themselves spending their time in front of screens. A gadget screen is different from a page because the screen has light – the contrast and brightness are different, light and reflection play a role, and the angle from which reading is done matters. A digital screen requires greater eye focusing and accommodation capability. Computer vision syndrome is more pronounced in those who make improper use of eyeglasses or contact lenses, or who have blurred vision due to uncorrected refractive errors. It is more likely to occur in individuals who spend more than two consecutive hours in front of a computer screen every day.
What are the symptoms of Computer vision syndrome?
Patients give a typical history of prolonged and un-interrupted screen time. Computer vision syndrome can result in a multitude of symptoms, including
- Eye pain or eye strain
- Headache
- Dry eyes/red eyes
- Watering of eyes
- Itchy eyes
- Neck pain
- Foreign body sensation
Prevention and treatment
Many times, using a computer for hours together is a part of the job and hence is unavoidable. Computer vision syndrome can be avoided by simple lifestyle modifications
Following measures can be adopted if you are facing any symptoms of computer vision syndrome or are prolonged screen user
- 20-20-20 rule – When using the screen for a prolonged period of time, every 20 minutes, look at something 20 feet away for 20 seconds.
- Adjust the lighting while watching a screen. Keep the lighting softer.
- Keep blinking so as to keep the eyes lubricated. Ideally we should blink about fifteen times per minute, but in reality we blink only about five to seven times per minute. So remember to blink especially when in front of a screen.
- Artificial tear drops can be used for extra lubrication of eyes.
- Adjust the screen monitor at least an arm’s length such that the top of the screen faces the eye level.
- Wear the requisite eye glasses or contact lenses as per your refractive error.
- Take breaks whenever possible.
- Visit your ophthalmologist if symptoms persist.