Regardless of what corrective wear they’re using, an audience member’s visual impairment could be the reason they struggle to understand your presentation. Some people wear contact lenses or don’t even know they have a problem with their eyes. Just because they’re not wearing prescription glasses doesn’t mean they’ve got perfect eyesight. get a free quote There’s More of Them Than You ThinkĪccording to the World Health Organization (WHO), “ 285 million people are estimated to be visually impaired worldwide-39 million are blind and 246 have low vision, which are caused by uncorrected refractive errors.” This means that your audience might be comprised of both people with normal vision and people with visual impairments.
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