Inventors:
Felix Barker - Wyncote PA, US
Regina Goralczyk - Grenzach-Wyhlen, DE
Wolfgang Schalch - Bottmingen, CH
Assignee:
DSM IP ASSETS B.V. - TE Heerlen
International Classification:
A61K 36/06, C07C 69/753, A61K 31/047, A61K 31/215, A61K 31/23, A61K 31/231, A61K 31/232, A61K 31/355, A61K 31/375, A61K 31/195, A61K 36/45, A61K 31/315, A61P 27/02, A61P 39/06, C07C 35/21
US Classification:
424 9351, 568816, 560259, 560194, 554229, 554223, 554224, 514729, 514546, 514548, 514552, 514549, 514458, 514474, 514561, 424732, 514494
Abstract:
The invention relates to the improvement of visual performance, particularly of visual performance in the darkness, by administration of a colorant that is capable of being incorporated into eye tissue and/or causing yellowing of eye tissue, especially carotenoids, such as lutein and zeaxanthin.