Describe the features of blood in eye.?

Blood inside the eye: Bleeding can occur from trauma, vascular events and certain hereditary illnesses that affect the eyes. Free blood in the eye drops the vision and bleeding can also occur in the substance of the retina with variable effect on the vision (e.g. In diabetes). Any bleeding in the eye needs immediate evaluation by your ophthalmolgist.

Can be serious: You may experience blurred vision that is worse when you are active. The symptoms improve if you sleep sitting up and are not moving around. The causes vary from blunt trauma (hyphema) which leaves blood in the front of the eye, to vitreous hemorrhage, also sometimes caused by trauma but also can be spontaneous in diabetes.