7.If present, these signs include pallor, weakness, lightheadedness, yawning, nausea, diaphoresis, hyperventilation, blurredvision, and impaired hearing immediately before the syncopal event.
8.A visual defect in which the unequal curvature of one or more refractive surfaces of the eye, usually the cornea, prevents light rays from focusing clearly at one point on the retina, resulting in blurredvision.
9.Drug adverse reactions such as dry mouth, blurredvision, constipation , abnormality of heart function was significantly lower in Moc group that in Imi group( P<0.05 ).
10.There was consensus among Soviet EMR researchers that a beam such as the Moscow signal was destined to produced blurredvision and loss of mental concentration.
