Sorry for hijacking this thread for a question about personal curiosity but does anyone know of an affordable way of measuring pupil distance? I want to measur

Sorry for hijacking this thread for a question about personal curiosity but does anyone know of an affordable way of measuring pupil distance? I want to measure my pupil distance while browsing social media. The reasoning is my reading in "Thinking Fast and Slow" that pupils dilate when we see something we find interesting / something we like / when we are thinking and vice-versa. I want to put it to the test and it seems like finally the consumer tech is close to making it possible. Does quest support pupil tracking? I did some cursory research but couldn't find any reference for it. Industry pupil tracking headsets are way too expensive; My last hope is that someone will jailbreak vision pro...