First, FBI agents must be legal citizens of the United States and must have lived in the U.S. for at least three of the last five years. They must also have a clean record, with no felony or domestic violence convictions and no failures to make any child support, student loan or tax payments.
I also have double vision, especially in my left eye. My diagnosis (eleven years ago) is Sporadic Cerebellar Ataxia (unknown cause/symptoms 24/7). Several years ago, I ...I also have double vision, especially in my left eye.
PD (pupillary distance) can be an important part of your lens prescription, and notably affect your general well-being. If you have high myopia, and in particular high myopia and high astigmatism, an incorrect PD value can cause blurry vision, double vision images, headaches, nausea, and fatigue.