Impact of night vision aid on orientation and mobility and daily activities

Perceptual abilities in case of low vision, using a virtual reality environment

“…In central vision loss, people feel a permanent loss of center of vision, called scotoma, affecting details perception [4,5]. The narrowing of the peripheral visual field which leads to a perception of space through a "hole lock" is called tunnel vision and affects orientation and mobility [6]. When people do not present such central or peripheral loss, reducing of visual acuity is most often resulting from blurred vision often in bilateral way.…”