Dry eye symptoms occur when the surface of the eye is not lubricated suffice. The risk developing dry eye has increased nowadays because of the prolonged hours spent in front of the screen.
There are two predominant forms of dry eye :
- Aqueous – happens if your eye doesn’t produce enough tears
- Evaporative – tears evaporate very quick.
In our cornea there are lacrimal gland that produce tears. In the Aqueous cases these glands do not produce enough watery components; whereas in the Evaporative cases the glands are not creating enough oily layer of the tear film. The oily layer prevent the quick evaporation of the tear.
Recent studies have shown 65% of dry eye patients suffer for evaporative dry eye; however, often patients suffer for both at the same time.
Tears keep our eyes hydrated, they also wash away dust and pollen or anything that might, but they also protect the eye from getting infections . In our modern society most of the jobs require to use a computer. Long hours in front of the screen keep the eye focused and instead of blinking 15 times a minute, we blink half less.
To keep your eye hydrated there are some eye ergonomic tips you should follow:
- Try to keep at least 25 inches distance from your screen
- Use glass screen protector
- Follow the 20-20-20 rule: every 20 minutes, look at an object 20 ft away for 20 seconds.
- Use artificial tears like I-dew eye drops to refresh and lubricate your eyes.