Construction and Analysis of a Novel Wearable Assistive Device for a Visually Impaired Person

Figure 2

Evaluation for design consideration of an assistive device for visually impaired people. (a) Layout of the device. (b) Obstacle at head level. (c) A pit hole on a straight path. (d) Obstacle upfront. (e) Stairs or small obstacle in front.

(a)

(b)

(c)

(d)

(e)