However, angiogram is useful in assessing cause of visual loss and indications for photocoagulation in retinal vascular disease and exudative macular degeneration.

• 唯对于网膜血管疾病及渗出性黄斑变性视力不良原因之评估及雷射治疗之规划等，则萤光血管摄影有莫大的帮助。