Subhyaloid Hemorrhage = Boat shaped accumlation of blood

 
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Retinal Hemorrhage 

Subhyaloid Hemorrhage 

It typically appears as a boat-shaped (scaphoid) or round, dark-red blood pool with a flat or horizontal upper liquid level, sharply demarcated by the boundaries of the attached vitreous. 

                                                   Boat Shaped Accumlation Of Blood

Snapshot