I wonder if this could be helpful for those who are sight-impaired. Sometimes consumer devices don't have widespread appeal but are so useful for some groups

I wonder if this could be helpful for those who are sight-impaired. Sometimes consumer devices don't have widespread appeal but are so useful for some groups For example, my grandfather when basically completely blind in his 60s. When Alexa came out in his 90s it made such a different to his quality of life in his final few years.