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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.

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