（56）靜岡縣宇佐美村住民のトラコーマ調査報告

Field examination of trachoma in Usami-Village.

　私共は静岡県田方郡宇佐美村の住民のトラコーマ罹患状態について調査したので，こゝに報告する。

　宇佐美村は人口6,500で伊豆牛島の東海岸にあり，伊東市の北に隣接する村である。相模灣に面するが丘陵地もあり，住民の大部分は漁業，農業及び半農半漁を営んでいる。

1) Number of total examined inhabitants : 2761.

Number of trachomatous patients : 536.

Affecting ratio : 19.4%. Classification of clinical findings was in accordance with Dr. Mitui's.

2) Acute stage of trachoma was found in one case who was aged 1.8 years. This agrees with the theoretical count, and shows that the infection of trachoma occurs in childhood but has been overlooked.

3) The affecting ratio untill aged 1 year is 20%.

4) The affecting ratio is higher in female (22.5%) than in male (15.3%). The progress of lesions is more rapid in female than in male.