En un

5%

of all cases it is a serious threat to the eyesight

Most common disease of the eye socket:

70%

of all orbital pathologies

What does it involve?

Thyroid orbitopathy is an immunological disorder that affects the functioning of the thyroid gland and orbital components, together or separately. It produces an enlargement of the volume of extraocular muscles and orbital fat, causing proptosis or exophthalmos (bulging eyes).

What causes it?

In most cases, the condition is associated with hyperthyroidism, but can also occur in patients with hypothyroidism or even patients without thyroid disease. It occurs when certain molecules that are present in the thyroid gland and orbit react to the gland and orbital tissue (orbital fatty tissue and extraocular muscles) and inflame them.

How can it be prevented?

Thyroid orbitopathy is not preventable. An ophthalmic evaluation at the same time as diagnosis of a thyroid problem or before receiving radiotherapy can facilitate better diagnosis and monitoring to detect problems early and prevent complications.

If any of these symptoms appear, even if thyroid disease has not been diagnosed, patients should consult an ophthalmologist for a comprehensive examination.

The most significant risk factor, which plays an important role in the evolution of the disease, is smoking. It is, therefore, essential to stop smoking after diagnosis of a thyroid problem, regardless of whether the eye has been affected.

Symptoms

The condition has a poorly defined onset with orbital inflammation, manifested by eyelid swelling, proptosis, eyelid retraction and, sometimes, strabismus (eye deviation), usually without associated pain.

The progression and severity of the disease is highly variable, in some cases, representing a threat to vision. Once onset has begun, the period of inflammatory activity can last from a few months to two years. After this period, when the condition has stabilised, it is very unlikely that the process will reactivate.

Some symptoms that can be associated with thyroid orbitopathy include:

  • Foreign body sensation, ocular irritation and tearing due to corneal exposure
  • Double vision caused by strabismus
  • Decreased visual acuity due to compression of the optic nerve
  • The eye can generally be affected bilaterally, but also unilaterally or highly asymmetrically. It mainly affects women aged between 40 and 60, and its progression is strongly associated with smoking
  • Thyroid orbitopathy can even occur before thyroid disease has been diagnosed

Associated treatments

The treatment of thyroid orbitopathy depends on the stage of the condition and the problems detected.

In early stages, when the inflammatory changes occur, treatment is aimed at protecting the ocular surface from dryness due to exposure. Anti-inflammatory treatment with corticosteroids is reserved for cases in which inflammation threatens vision.

In some patients, after the inflammatory period, the eyes return to normal, and surgical treatment is not required. But, in other cases, in the chronic stage, inflammation is replaced by muscle fibrosis and orbital fat, for which surgical treatment is performed by means of orbital decompression to correct the proptosis. Subsequently, if necessary, the strabismus and eyelid retraction are corrected.

Specialists who treat this pathology

IMO Institute of Ocular Microsurgery

Josep María Lladó, 3
08035 Barcelona
Phone: (+34) 934 000 700
E-mail: informacion@imo.es
See map on Google Maps

By car

GPS navigator coordinates:
41º 24’ 38” N – 02º 07’ 29” E

Exit 7 of the Ronda de Dalt (mountain side). The clinic has a car park with more than 200 parking spaces.

By bus

Autobus H2: Rotonda de Bellesguard, parada 1540

Autobus 196: Josep Maria Lladó-Bellesguard, parada 3191

Autobuses H2, 123, 196: Ronda de Dalt – Bellesguard, parada 0071

IMO Madrid

C/ Valle de Pinares Llanos, 3
28035 Madrid
Phone: (+34) 910 783 783
See map in Google Maps

Public transport

Metro Lacoma (líne 7)
Autobuses:

  • Lines 49 & 64, stop “Senda del Infante”
  • Line N21, stop “Metro Lacoma”

Timetables

Patient care:
Monday to Friday, 8 a.m. to 8 p.m.

IMO Andorra

Av. de les Nacions Unides, 17
AD700 Escaldes-Engordany, Andorra
Phone: (+37) 688 55 44
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IMO Manresa

C/ Carrasco i Formiguera, 33 (Baixos)
08242 – Manresa
Tel: (+34) 938 749 160
See map in Google Maps

Public transport

FGC. Line R5 & R50 direction Manresa. Station/Stop: Baixador de Manresa

Timetables

Monday to Friday, 08:30 A.M – 13:30 PM / 15:00 PM – 20:00 PM

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