The CRT on the RCA New Vista set looks like it has at least the beginnings of a cataract, unless that's just a lot of dirt between the tube itself and the safety glass. I can't tell just from looking at the picture.
BTW, this set's front panel layout, except for the channel selector, looks to me a lot like the control panel of an RCA CTC12 clone I had in the 1970s. Mine was branded Silvertone (Sears), was VHF only like this one, and did in fact have a hole in the tuner mounting bracket, supposedly for an optional UHF tuner. The knockout plug on the front panel of the NV set, however, is a dead giveaway that the TV was "future proof" (for the time, 1960s), in that a UHF adapter kit could be installed at any time -- when the first UHF television station(s) arrived in the owner's area, for example.
For some reason, I have always had (and still have to this day) a liking for vintage VHF-only TVs, with or without the UHF knockout plug on the control panel. This is probably because when I was growing up in suburban Cleveland, there were only three VHF stations, for the three (at the time, again 1960s) major networks -- NBC, ABC, CBS. The first UHF station in Cleveland signed on in 1965. It was a low-power (one megawatt ERP, IIRC) station on channel 25 that didn't reach my home town worth a darn
, unless a good outdoor antenna was used.