Read these different articles/studies and come up with your own conclusion on the subject of vision.
I found these quickly using certain words in my search. If I started messing around with more specific terms I may very well have found more info.
https://www.nps.gov/cabr/blogs/albin...-our-parks.htm
https://www.frontiersin.org/articles...22.890874/full
https://reptileshowsofnewengland.com...bino-reptiles/
Boas and pythons are primarily nocturnal/crepuscular hunters. Their eyes are tuned for dark and low light conditions.
From the brief reading I've done, I believe there is a higher propensity for snakes with true albinism to be light sensitive.