Yes, I have many friends who are blind. They are working in IT sector.
Like data analytic, software developers, customer support, and in various field.
If you are a person with qualities and required skills then there are lot of job opportunities in IT sector
Yes. With text to speech software and screen reading softwares and possession of relevant skills it should be a problem for anyone with visual impairments to find a job. Firms also provide reasonable accommodation nowadays and incentives to persons with disabilities to join the IT world.