Learn 3 ways to write in Braille: using a slate and stylus, a Perkins brailler, and an electronic braille display. TikTok·connorscottgardner Blindness and vision impairment
Medical organizations classify vision loss based on visual acuity and field of vision. : Visual acuity worse than 3/60 or 20/400.
: Globally, at least 2.2 billion people have vision impairment, and roughly 43 million are completely blind.
Individuals who are blind use various tools and systems to navigate a visual world. Different Methods for Writing in Braille
: Often defined as vision of 20/200 or less in the better eye with best correction.