Retinal artery occlusion occurs when the retinal artery (or one of its branches) becomes blocked. This results in the blood and nutrient supply to the nerve layer of the retina being cut off. This leads to permanent damage and is a common cause of sudden loss of vision in one eye.
quench definition: Quench is defined as to satisfy or to extinguish. (verb) An example of to quench is to have a cold drink when thirsty. An example of to quench is to put out a fire. ...
Cole Quinnell - photographer; Sometimes also called âpiston-to-headâ clearance, quench height may be defined as the distance between the flat-top portion of the piston and the cylinder head surface at top dead center (TDC), including the head gasketâs compressed thickness and any positive or negative piston deck height that may exist.