A Black. Man, a Moor, John Hanson was the First Black President of the United States! 1781-1782 A.D. George Washington was not the first President of the United States. In fact, the first President of the United States was one John Hanson.
OD is an abbreviation for the Latin oculus dexter, meaning right eye. OS is an abbreviation for the Latin oculus sinister, meaning left eye. The first number after the determination of which eye is the sphere. A negative number indicates myopia. A positive number indicates hyperopia.
âRed eyeâ is a non-specific term that describes the appearance of the eye. It can occur in one or both eyes. Red eye could be due to an illness, injury, eye infections, or other condition such as allergies. Doctors do not tend to take immediate action when a patient comes in with red eyes. It is a very common condition that is usually caused by something else such as fatigue, substance abuse, allergies, or cold/flu.