*Tache noir is one of the important postmortem changes seen in the eye after death.
*If the eyes remain open after death, the areas of the sclera exposed to the air dry out, which results in a first yellowish, then brownish-blackish band like discoloration zone called TACHE NOIRE.
*It is seen mostly after 7 to 8 hours after death. (AP PG 2010 Question).
