Dry eye

WHAT IS DRY EYE?

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Dry eye is a multifactorial disease characterised by an insufficient protection of the ocular surface by the tear film.
Tears are a key barrier to defend the eye against external agents.
They keep the surface of the eye constantly moist and lubricated due to the complex mechanisms that regulate their production and evaporation.

The defence function of the tear film may be compromised due to:

  • Quantitative alterations of tears: insufficient production of tears.
  • Qualitative alterations of tears: unstable balance between the different components that make up the tear film.
  • Altered circulation of tears for anomalies in the eyelid position or in the eyelid dynamics. Before any aesthetic intervention, the oculoplastic surgeon carefully evaluate the ocular surface and the potential risks to develop or aggravate a dry eye syndrome.

The main symptoms of dry eye syndrome are the following:

  • Redness and burning associated with the inflammatory reaction and poor lubrication of the eye.
  • Blurred vision due to the shortage and uneven distribution of the tear film.
  • Reactive hyper tearing, made of ‘toxic’ tears, with high salt content, full of pro-inflammatory agents, that does not lubricate the eye and eyelid tissues but irritate it.
  • Painful ocular surface’ abrasions.

CAN I UNDERGO THE DRY EYE SURGERY?

Patients visit an oculoplastic surgeon for the following reasons:

  • Dry eye syndrome due to abnormalities in the position or in the dynamics of the eyelid:
  • Ectropion of the lower eyelid, or lowering of the lower lid margin, with alteration of drainage and recirculation of tears.
  • Lagophthalmos, or incomplete closure of the eye with constant exposure of the white part of the bulb (sclera) and constant evaporation of the tear film from the ocular surface.
  • Complications due to a previous blepharoplasty
  • Medical therapy was insufficient and unresolved.

WHAT DOES THE DRY EYE SURGERY CONSIST OF?

In cases of Dry eye syndrome is important to have a discussion with the patient and do a series of specific tests to determine what is the primary cause in each individual case and then organise a personalised therapeutic strategy.
For cases in which medical therapy has not resolved the symptoms, with no eyelid associated alterations, it is possible to use PRP eye drops. The patient is subjected to a blood test, and through procedures standardised and approved by the FDA procedures, we extract the PRP (platelet rich plasma).
Platelets are ideal for producing growth factors and proteins which regulate the organisation, trophism and tissue regeneration within the human body. The PRP administration allows ocular surface regeneration and repair. For patients with dry eye syndrome due to alterations of the eyelids, surgery will be targeted to correct the eyelid defect.


WHAT CAN I EXPECT? WHAT ARE THE RESULTS OF THE DRY EYE SURGERY?

The procedure results in a return of the patients quality of life; though apparently trivial, dry eye syndrome, when it becomes chronic, causes an intense pain that interferes with daily work and social life, and is perceived as highly debilitating to the patient.

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