Semiology of patient derivated to ptergium surgery at Fuan Noe c. Hospital in Arica city, Chile

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Abstract

Purpose

Knowing the semiological characteristics of surgical patient diagnosed with symptomatic pterigium, who has permanent resident at the desertical city of Arica, Chile.

Methods

A transversal type study of 119 people was performed by applying them a survey, a physical exam and a pre surgical ophthalmologic evaluation. After surgery the removed tissue was sent to anatomopathological analysis. The survey data and test results were tabulated and analyzed using the statistical software Stata 11.0

Results

Over 90% have permanent residence for more than 11 years in this desertical region; 89% work outdoors, 87.1% have nasal pterygium, 54% reported never used sunglasses. 73% has another visual disturbance. The 45.16% presents Pterygium of angiomatous and 45.15% Mixed type. Only 9.68% is fibrous. A 18.28% present metaplasia. Over 60% presents altered the Schirmer test results (higher than 24mm) and 50% in Break Up Time (BUT) altered lower or equal to 10 seconds.

Conclusion

The Pterygium is a disease with high prevalence in the desertical city of Arica, Chile and it is evident that the absence of laws in prophylactic measures and educational activities, increase the damage that is produced by ultraviolet radiation. The relationship between the habitability of the desert and the correspondence with the use or not of lenses with UV protection is proportional.

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