Moving around some of the big metropolises can be quite challenging and especially for those who are visually-impaired. The problem becomes compounded even further when such a person does not have someone that he or she can ask for assistance. Visual impairment can limit one’s mobility and therefore his/her productivity; this is especially true considering that many persons who are challenged in this way prefer to stay at home just to avoid the trouble of having to seek for assistance from ... read more ->