https://www.bhphotovideo.com/bnh/controller/home?O=email&A=details&Q=&sku=1312580&is=REG
I’d trust these over a welding helmet for getting all the UV out.
I trust not looking directly the most. A simple projector can be made with a cardboard box with a pin hole and a piece of aluminum foil.
Any welding helmet that lists TIG is good for UV.
AND most self darkening hoods DO NOT GO TO 15!!!!