Purpose: To evaluate the prevalence and characteristics of pterygium in small communities along the Solimões and Japurá rivers, State of Amazonas, Brazil. Design: cross-sectional study. Methods: This study was carried out on populations of the Brazilian Amazon rainforest. Data were collected by two separate ophthalmologists in three expeditions, covering 55 local communities. A total number of 1295 patients were examined, of which 659 were over 18 years old. The patients diagnosed with pterygium answered a questionnaire addressing gender, age and outdoor activity. Pterygium lesion sizes were graded as grade 1 (lesion covers until limbus), grade 2 (lesion covers cornea by 2 mm), grade 3 (lesion surrounds the pupil) and grade 4 (lesion crosses the pupil). Results: Pterygium prevalence was 21.2% for the overall population and 41.1% in those over 18 years old. Patients between 40-50 years old were most affected by pterygium. Pterygium data distribution by gender showed that 57.8% were men. The majority of the patients diagnosed with pterygium was active outdoors (89.5%). Subjects affected in both eyes were 75.6%. Of the total population positive to pterygium the majority was grade 1 (44%) and 2 (48.7%). Most of the patients (85%) developed nasal pterygium. Conclusion: This study shows one of the highest prevalences of pterygium in the world, covering a Brazilian region never studied before.

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O presente artigo trata das dificuldades encontradas por educadores da Educação Básica da Escola Estadual de Ensino Fundamental Ataliba Rodrigues das Chagas, de São Gabriel/RS, para aplicar a interdisciplinaridade em sala de aula, bem como tal fato tem se tornado cada vez mais um desafio à carreira docente.  Trata-se de uma pesquisa básica de cunho explicativo que envolveu a aplicação de questionários para os docentes do Ensino Fundamental II e contou com uma atividade interventiva cujos objetivos eram identificar o nível de conhecimento do corpo docente, sobre a Interdisciplinaridade; proporcionar fundamentação teórica e auxiliar na elaboração um projeto didático interdisciplinar que atendesse as necessidades específicas dos discentes da escola do campo. Os resultados obtidos mostraram que o currículo desenvolvido segue os princípios das escolas urbanas, não se adequando às peculiaridades da escola do campo. Quanto à interdisciplinaridade, o corpo docente necessita de mais formação teórica quanto ao assunto estando todos dispostos a re (significar) sua prática em busca de uma pedagogia interdisciplinar.