relating to the treatment or study of problems of the eye muscles, for example having a squint (= when the eyes look in different directions) or having double vision (= when you can see two of everything)

She's been to the orthoptic department on a fairly regular basis since May. 自从五月份以来，她就经常去视轴矫正科。

Orthoptic examination and treatment is important in the rehabilitation of low-vision patients. 在低视力病人的康复过程中，视轴矫正检查和治疗非常重要。