As a consequence of increased use of screens (cell phones, tablets, PCs and others) and air-conditioninghe Dry Eye It was installed strongly. At the moment, alters the quality of life of one in three Argentines and, although it is believed that it is a matter of amounthe 80% of cases is due to a modification in tear quality.
Each tear has three layers: one protein -which is in contact with the corneal surface-, that of the half and more abundant in water, and the externalwhich contains lipids.
In turn, the eyelid margin It contains several tiny openings that secrete oily substances (oil) synthesized in the glands. Meibomian, which are located inside, behind the eyelashes. Due to their lubricating effect, they reduce the friction between the eyelid and corneaand reduce the tear film evaporation.
The dysfunction of these glands modifies the lipid layer and alters the tear quality. This pathology produces eyelid edemaincreased frequency of flickersensation of foreign body and fluctuating vision.
How do I know if I have dry eye?
To establish what type of Dry Eye suffers, we must examine the tear and the ocular surface with a ophthalmological microscope. It is important to discard the masking pathologiesthat is, they seem, but they are not.
The main cause of gland dysfunction Meibomian is the obstruction of its orifices by lipid clots or fibrous membranes that cover the drainage pores. This causes an overgrowth of bacteria inside at the base of the eyelashes. As it is a chronic pathologywith the passage of time, a shield that protects them from antibiotics.
Its treatment consists of refunctionalization of the meibomian glands and there are two pillars: unblock the glands and treat bacterial overgrowth.
- To unlock them in cases where they are due to lipid clotsused heat to melt them. There is masks and devices used in ophthalmological offices.
- In principle, the bacterial overgrowth should be treated with a good eyelid hygienesame as him daily dental cleaning.
Patients with blepharitis generate bacterial plaque on the edge of the eyelid that must be removed with a deeper cleaning with specific procedures in the palpebral edge.
One of the most modern treatments is a microlathe that microexfoliates glandular orificesunlock the clogged glands and remove the bacterial plaque and the film on the edge of the eyelid and of the eyelashes. It is a procedure that is performed with anesthesia drops and hard 20 minutes.
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