Patient: Description of the condition (onset time, main symptoms, hospital visited, etc.): look far head to the left oblique, with glasses for a month has little effect, other good treatment? Liu Wen, Ophthalmology Department, Guangzhou Children’s Hospital: There are many types of internal obliquity, if you wear the correct number of glasses for six months, the strabismus is not significantly improved, consider surgery, provided that the corrected visual acuity is qualified. Patient: How long does it take to get another prescription test after wearing glasses for one month? Guangzhou Children’s Hospital Ophthalmology Liu Wen: Generally once every six months.