The dry eye syndrom affects 60% population over 45 years. Around 5 million people only in Spain.
The reasons why we can have dry eye are several:
- Lacrimal gland does not produce enough tears.
- Lacrimal gland produces tear but with low quality.
- Tears evaporate too quickly.
External factors and dry eye symptoms
There are some external factors that can influence the dry eye symptom: dry environments, too hot/cold air, wind, sun, smoke or too much time in front of a screen.