如何自我诊疗夜盲症龙欣夜盲，又称雀盲，于夜暮降临视物不见，至天明视觉正常为特征。可分为两种，即高风雀盲和肝虚雀盲。高风雀盲与遗传性有关，应请医生诊治。肝虚雀盲症自诊：入暮时或在黑暗处不能视物，到天明或灯光明亮处又恢复如常，或感眼珠干涩微痒，或面白无华... How to self-diagnosis Night blindness Long Yan night blindness, also known as bird blind, at nightfall to see the material is not seen, to dawn visual normal features. Can be divided into two types, namely, the high-crested bird and the bird-blind. High-crested blind and hereditary, should ask a doctor for treatment. Liver bird blindness self-diagnosis: Into the evening or in the dark can not be visual, to the dawn or light bright place and return to normal, or feel dry eyes slightly itchy, or white surface ...