11. Binocular vision anomalies are among the most common visual disorders.12. It included one of the first studies of binocular vision . 13. With both eyes open, a patient with normal binocular vision will appreciate four lights. 14. However, it has relatively large, anteriorly-directed orbits, suggesting binocular vision . 15. The orbits were directed anteriorly, suggesting that " Megalancosaurus " had good binocular vision . 16. This causes loss of depth perception and binocular vision . 17. If left untreated, the eye may turn out continually, causing a loss of binocular vision . 18. Convergence insufficiency is a common binocular vision disorder characterized by asthenopia, eye fatigue and discomfort. 19. This ultimately forms the physiological basis of binocular vision . 20. A horse will raise or lower its head to increase its range of binocular vision .