A mass airflow sensor. A mass (air) flow sensor (MAF) is used to find out the mass flowrate of air entering a fuel-injected internal combustion engine. The air mass information is necessary for the engine control unit (ECU) to balance and deliver the correct fuel mass to the engine. Air changes its density as it expands and contracts with temperature and pressure.
Over time, scar tissue that forms from bleeding can cause the retina to detach from the wall of the eye (retinal detachment) and cause loss of vision. Severe proliferative retinopathy may be treated with laser surgery in order to save vision.
Summit Medical Group Web Site. Bleeding in the White of the Eye (Subconjunctival Hemorrhage) If a small blood vessel breaks in the white part of your eye, the blood makes part of the white of your eye bright red. This is called a subconjunctival hemorrhage. The redness can increase over 24 to 48 hours, especially if you are taking aspirin or blood thinners.