Eye protection tips when sitting computer

If you regularly work on the computer, you should set the screen 50-60 cm away from the eye, the center is lower than the center of the eye .

If you regularly use a computer, you may experience some visual instability problems called Computer Vision Syndrome. This syndrome includes manifestations: eye irritation, dry eyes, dizziness, photophobia, lacrimation, blurred vision, headache, shoulder strain, neck .

The cause of this situation is that over-focus on the computer screen for a long time makes us forget to blink. People often blink an average of about 20 times per minute. However, when focusing high on a computer screen or for a long time, the number of blinks drops to only 1/3 or 1/2. This makes the eyes dry, leading to stinging, burning, and redness. The symptoms are worse in people with dry eyes, refractive errors, elderly people .

The regulatory muscles of the right eye exerting in conditions of near-long viewing create eye fatigue. In addition, the light reflected from the screen is too much or high intensity, the position of the screen is not correct . it makes the eyes more tired and uncomfortable.

Eyes with refractive errors are not adjusted glasses or improperly adjusted glasses, plus working time on the extension machine also makes the eyes more tired and uncomfortable.

To limit this situation, you should note:

- Blinking: Pay attention to blink your eyes more often, don't strain your eyes for too long to focus on your computer screen. Artificial tears can be used for eye support.

- Screen position: Need to position the screen on one side of the window, the sun is not shining on the screen or eyes. The screen should be placed 50-60 cm away from the eye, the center of the screen should be set lower than the eye range of 10-20 cm because the eyes will work more comfortably when we glance down to read or work closely, the keyboard should be placed eyes 30-40 cm.

To reduce the amount of radiation from the screen to the eye, filter the screen or use a liquid crystal display. Also need to regularly clean dust because much dust will reduce the contrast of the screen.

- Attention should be paid to adequate lighting at the place where the computer is located: turn off lights on the ceiling if too bright. If it is too dark, it is recommended to use a table lamp with a lamp, place the lamp in a position so that the light does not reflect on the screen.

- Adjust the font size of the text page to the ideal font size: 3 times the smallest font size we can read. Select black text on white background, or bold text on light background.

- Need for eyes to have 10-15 minutes break between each working hour by computer. When taking a break, look away, gently massage the lids and relax.

- Attention should be paid to supplementing the diet rich in vitamins, especially vitamins A, E, C, B2 . which are abundant in green vegetables and red fruits. Another thing to keep in mind is drinking lots of water.

- Need to promptly examine the eye specialist, detect refractive errors and correct the necessary number of glasses for the eye. Especially when seeing an abnormal eye condition, see a doctor early to get the best advice for your eyes health.