Diplopia may be a presenting symptom of a wide variety of ocular and neurological conditions. Careful questioning and examination will reveal the cause in many cases and may save the patient much unnecessary and expensive investigation.
复视可能是多种眼部和神经疾病的首发症状。在许多情况下，仔细询问和检查将揭示病因，这可能会为患者省去许多不必要且昂贵的检查。
