a condition in which the eyes fail to turn inwards enough to achieve fusion of separate images during near vision. In some cases, convergence exercises (see orthoptics) can improve the condition.
Intermittent episodes of dizziness, double vision, weakness, and difficulty in speaking caused by reduced blood flow to parts of the brain. It is usually due to atherosclerosis of the basilar and vertebral arteries and other arteries in the base of the brain. Vertebrobasilar insufficiency sometimes precedes a stroke.... vertebrobasilar insufficiency
the most common cause of *intrauterine growth restriction, due to abnormalities in placental development and *trophoblast invasion. The exact cause may be unknown or due to a number of recognizable causes, e.g. pre-eclampsia, inherited *thrombophilias causing placental infarction or thrombosis, and systemic lupus erythematosus. It may lead to stillbirth.... uteroplacental insufficiency