inÂ·diÂ·caÂ·tion. The basis or rationale for using a particular treatment or diagnostic test; may be furnished by a knowledge of the cause (causal indication), by the symptoms present (symptomatic indication), or by the nature of the disease (specific indication). [L. fr. in-dico, pp.
This happens after a bright flash or by looking at a bright light by mistake. This has never happened until about a year ago. Update: The light is not like the blurred light you see after looking at a bright light. It is a semi-circular jagged line to the right which caused a loss of vision where it exists. It gradually expands and drifts to the right periphery disappearing after about 15 minutes. Update 2: Thanks - I don't know who is giving the thumbs down as all the answers are helpful!
What Causes a Black Eye? Most black eyes are the result of blunt trauma that causes bleeding beneath the thin eyelid skin, producing the characteristic black and blue discoloration. A fracture deep inside the skull can also blacken both eyes, even though the eye area itself was not injured.