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.
Dry eye is a multifactorial disease of the tears and ocular surface that results in symptoms of discomfort and visual disturbance, related to tear film instability with potential damage to the ocular surface (Lemp, 2007).odium hyaluronate ophthalmic solution 0.18% is a patented eye drop formulation for which clinical study results demonstrate efficacy in both signs and symptoms of dry eye disease, with a good safety and tolerability profile.