编辑同志:我父亲今年80岁,患冠心病和动脉硬化已经10多年了。前不久,他的右眼突然失明,仅存在光感,而且没有疼痛的感觉。去医院检查后,他的右眼被确诊患了视网膜血管堵塞。医生告诉我,视网膜血管堵塞是一种比较难治的疾病,因此我父亲的右眼很难复明。请问是这样吗?上海李家梁李家梁读者:视网膜血管堵塞是发生在视网膜血管中的血栓性、致盲性眼病。此病患者多为患有高血压、动 Editor’s Comrade: My father is 80 years old this year, suffering from coronary heart disease and arteriosclerosis for more than 10 years. Not long ago, his right eye suddenly blind, there is only light feeling, and no pain feeling. After going to the hospital for examination, his right eye was diagnosed with retinal vascular occlusion. The doctor told me that retinal vascular occlusion is a more refractory disease, so my dad’s right eye is hard to recite. Is this so? Shanghai Li Jia Liang Li Jia Liang reader: retinal vascular occlusion is the occurrence of retinal blood vessels in the thrombotic, blinding eye disease. Most of the patients suffering from high blood pressure, move