According to our results dry eye syndrome is present in 65.2% of patients (60.9% eyes) with TED. Significant risk factors of ocular surface damage in TED were exophthalmos, lagophthalmos, palpebral fissure height and lower lid retraction. Positive conjunctival staining results from punctuate epithelial erosions and excessive desquamation of superficial cells. Histopathologic changes detected in conjunctiva consistent with dry eye and are not specific for TED.

Three types of orbital disease in GPA were proposed: orbital mass without primary lacrimal gland involvement, dacryoadenitis, and extraocular myositis. Patients with orbital mass without lacrimal gland involvement are characterized with a higher rate of systemic disease, severe clinical course not uncommonly associated with other ophthalmic manifestations (necrotizing scleritis, PUK, orbital walls destruction), relatively unfavorable outcome with high level of morbidity (optic nerve atrophy, anophthalmos, strabismus), and higher rate of recurrences. Dacryoadenitis in GPA showed to be not severe manifestation with favorable prognosis.

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Cornea verticillata is the typical sign of ocular involvement in Fabry disease and manifests by the whorl-like, linear opacities in the inferior part of the cornea. Aim. To study the frequency of cornea verticillata in patients with Fabry disease and it’s relation to the severity of the disease and the types of mutation in the GLA gene. Materials and methods. We studied 69 adult (over 18 years) patients with a classic form of Fabry disease that was confirmed by enzymatic and molecular genetic studies. There were 39 males and 30 females. The median age was 39 years [30.0; 50.0]. The severity of Fabry disease was assessed using the Mainz Severity Score Index (MSSI) with a maximum value of 76 points. Depending on the MSSI score, patients were classified into mild (40) clinical categories. Results and discussion. At least one classic symptom of Fabry disease was present in 88.4% of patients. The majority of patients had the missense mutations of the GLA gene. Cornea verticillata was found in 65.2% of patients and occurred with a similar frequency in males (56.4%) and females (76.7%; p=0.07). Cornea verticillata was the single classic symptom of Fabry disease in only 4.9% of cases, while the rest of the patients presented with angiokeratoma, neuropathic pain and/or hypohidrosis. The frequency of classic symptoms of Fabry disease, as well as renal disease (with the exception of terminal chronic renal failure), brain and heart damage was similar in patients with and without cornea verticillata. Median MSSI scores were also similar in patienths with and without cornea verticillata (20.0 and 18.5 points, respectively; p=0.92). Similar results were obtained in males (26.5 and 30.0 points, p=0.97) and females (16.0 and 16.0 points, p=0.45). The frequency of cornea verticillata did not differ in patients with different types of mutations in the GLA gene. Conclusion. Cornea verticillata occured in 65% of adult patients with Fabry disease, was usually accompanied by the other classic symptoms of the disease, and was not associated with the severity of the disease.

Orbital decompression is a surgical procedure aimed at increasing the orbital volume and/or decreasing the volume of the orbital fat. The indications for orbital decompression are determined in the course of thorough eye examination. An important objective of examination of a patient with thyroid eye disease (TED) is determination of inflammation activity and severity. Orbital decompression is a surgical procedure that can be performed in both the active and nonactive stages of the disease. However, the indications for the surgery in these cases are different. Optic neuropathy and severe corneal disease are threatening complications that may lead to permanent visual loss and generally occur in the presence of active orbital inflammation. If treatment with high-dose corticosteroids has proven ineffective, an urgent surgical procedure consisting of orbital decompression and, in case of involvement of the cornea, eyelid and corneal surgery has to be performed. Owing to significant progress in technology, improvement of methods and accumulated experience over the past decade, the indications for bone orbital decompression have extended compared to the time when this procedure was used only in patients with extremely severe TED. The most common complication of the orbital decompression is the development or deterioration of previously existing binocular diplopia and strabismus. In addition, other parameters may change as well, including the position of the globe, the eyelids, the angle of deviation of the eye, and intraocular pressure. Thus, bone orbital decompression is a major step of a comprehensive, often multistage, system of rehabilitation of patients with severe refractory TED.

Granulomatosis with polyangiitis (GPA), formerly earlier known as Wegener's granulomatosis, is primary system necrotizing vasculitis of small and medium-sized vessels, which is characterized by the formation of foci of granulomatous inflammation. One of the target organs in GPA is the organ of vision. Its affection may not only reduce quality of life, but also may lead to the severest complications even to fatal outcome. The affection varies in severity from slight inflammation of the ocular superficial structures to severe involvement of all orbital and ocular structures to develop complete blindness, including bilateral one. GPA can affect any portion of the organ of vision. The changes are low specific, which makes early diagnosis and timely adequate therapy difficult. Overall all ophthalmologic manifestations can be divide into 4 groups: 1) lesions of the orbit and appendages; 2) those of the conjunctiva and fibrous tunic of the eyeball: 3) those of the retina: 4) those of the optic nerve. Orbital affection is characterized by the development of granulomas, dacryoadenitis with marked inflammatory infiltration of the surrounding tissues, including oculomotor muscles, and destruction of orbital bony walls. Nonspecific conjunctivitis and episcleritis are commonly encountered. Affection of the fibrous tunic of the eyeball is characterized by the development of necrotizing scleritis, peripheral ulcerative or stromal keratitis. The retina is rarely involved and mainly described as sporadic cases in the literature. The optic nerve is most commonly damaged due to the compression of the orbit by inflamed tissue; the lesion is more infrequently ischemic.

To evaluate clinical manifestations and outcomes of Fabry disease (FD) in adult patients in the Russian population.

The findings may suggest that the orbital lesion is an independent manifestation of GPA, which develops more commonly in its local type. Conjunctivitis/episcleritis is, on the contrary, more frequently seen in the active phase of the disease and generally in the involvement of other organs and systems.