as a compliment of concentration. in eccentration, one uses the peripheral vision as a " focal field ". the eccentrationist or eccentrator gazes into the distance with no fixed-point on which to focus. as such, he / she becomes aware of everything happening in the periphery and can use infinitum as the distraction...as a compliment to contraction.
many people choose to exercise / stretch in front of a mirror. this allows the practitioner to " focus " on their reflection and make judgements and corrections based on their evaluation. if we choose to gaze into the distance ( eccentration, be it 10 feet or 10 miles ) and NOT focus, we have only our periphery to shape our field of vision. and we have only our proprioception to gauge our alignment / progress. some yogic traditions hold that attachment to forms / things is the source of suffering. forms and things become indescernable when we " eccentrate ".
Teacher, Gary can't come to school today, because a coconut hath dropped on 'is 'ed.
Tell him to fill out the Exenutation Circumstance form. First he must defeat the Feather Goblin and win the Stylus of Tongues. The form will present itself in an alienlanguage.