Whether or not 15 degrees of strabismus is considered serious needs to be determined by the doctor after a complete visual function examination, and generally speaking, it is within the boundary of surgery.
Strabismus belongs to the ophthalmology of a more common situation, exotropia 15 degrees is the use of strabismus angle instrument, measuring the angle between the two eyes between the parallel visual axis of 15 degrees, whether the condition is serious, but also need to improve the visual function of the examination after a comprehensive judgment, in general, is in the scope of the boundary of the operation.
If it affects the stereoscopic function of both eyes, then it meets the indications for surgery, and needs to be corrected by surgery. The earlier the treatment, the better the prognosis, and the better the post-surgical visual function training, after systematic treatment, most of the patients are still able to recover, and it will not have too much impact on the appearance and personal vision.
External strabismus of 15 degrees needs to be taken seriously, timely and complete examination under the guidance of the doctor for treatment.