Robert Stevens,Benjamin Holland,Jon Nisper,Graeme Mackenzie
申请号：
US14898084
公开号：
US20160147083A1
申请日:
2014.06.13
申请国别(地区):
US
年份:
2016
代理人:
摘要：
A pair of spectacles comprises a pair of variable focal length lenses an image acquisition system adapted to acquire images of each of a users eyes and a controller adapted to analyze the images to monitor the degree of vergence of the users eyes, and to adjust a focal length of the variable focal length lenses to a value derived directly from the monitored degree of vergence.
