大学生の視力

Visual Acuity of College Students

I．緒言

　都内の大学生約18,500名について視力測定を行ない興味ある結果をえたので，その成績を述べる。

Visual acuity determinations were perform-ed in 18,500 college students by means of Inoue's hook. The arithmetic mean of visual acuity value was 0.79 at the age of 18 years, 0.76 at 20 years of age and 0.71 at 23 years. The mean of good visual acuity of over 1.0 was 1.36 at 18 years of age, 1.39 at 20 and 1.41 at 23 years. Both the level of good vi-sual acuity and corrected vision were found to improve with advance of age.