验光是医疗保健行业中与视力相关的专业。 对这一领域感兴趣的学生可能会期望课程作业和临床经验都能精通检查、诊断和治疗视力问题。

Courses are academic classes taught by qualified instructors that are intended to enhance participant’s knowledge of a given area or training in a particular discipline. Courses vary broadly in terms of length, size, content and duration.