????????? From my readings, the usual causal event is low blood pressure in the anterior optic nerve.? Any association with high blood pressure is likely due to the medications
prescribed for high blood pressure lowering blood pressure at night too much, especially if taken in the evening.
?
Karl L. Wuensch, Professor and ECU Scholar/Teacher, Dept. of Psychology
East Carolina University, Greenville NC? 27858-4353, USA,?
Voice:? 252-328-9420???? Fax:? 252-328-6283