Maybe I can help. I have very low vision and use TV sets. What I do not understand is a blind person using any TV set.
Please clarify.Most TV remotes use infrared t controllers. Universal remotes can be programmed to some TV sets.
MON smart TV sets in the low cost grapple mad have very simple controls. Some are 32 inch. I use two 32 inch TV sets amd a Windows 10 mini PC.
But what does a blind person so wioth aTV set?