It is a sudden and transitory loss of vision of variable duration due arteriosclerosis of the internal carotid artery is the most common cause, due to an embolus in the retinal circulation.

Treatment: They are diverse and depend on the cause that originates it. For example, the placement of a cardiac stent, by means of a surgical intervention, can be very effective in case of the obstruction of a coronary artery. If amaurosis is caused by glaucoma, it will be necessary to review, and if necessary, modify, the treatment that is being carried out so far.