Zazu i have irlen glasses with the full custom tint, worked directly with a specialist in a room to evaluate every possible combination and stacking of tints, they're awesome for outdoors depth perception, LED lightbulb flicker sensitivity in stores and classrooms etc., better coordination walking around especially in crowds, even helps reduce sunlight sensitivity without actually having to dim everything with sunglasses.
actually a game changer for me for those use cases. the first thing i said after i put them on is that suddenly the world felt like it did in the 2000s again. it legitimately feels like how the world used to look like.
(and when combining them with waveform centric lightbulbs or old incandescents, well that gave me a feeling i hadn't felt in a very long time)
the craziest part and what i didn't believe until i actually tried them is that a lot of this doesn't even need a glasses prescription. i have both prescription and non-prescription variants
however the glasses don't do anything for screens for me and i actually need to take them off to use some of my otherwise 100% usable screens (with OLED as an interesting exception for some reason… the glasses actually do improve OLED iPhones)
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although, on the other hand… they also manufacture "screen clings" which are very high quality matte screen protectors that have managed to improve screens for me. my favorite color tints for screen clings are aqua turquoise and also the light bluish white when i need to maintain some level of color accuracy.
funny thing here is that it's the opposite of the glasses - applying an irlen cling to my iPhone SE 2 somehow managed to improve it from absolutely unusable to somewhat tolerable, but applying one to an OLED iPhone actually made it worse. they always work great for me on LCDs though.
unfortunately screen clings are only made in one size, there's only enough "actually usable" area to cut out a 13.3" intel macbook pro sized rectangle, so they aren't really an option for 15" laptops or monitors. it's still a go to for me though when i want to convert glossy screens to matte and also get much more relaxing colors too
be aware that the screen clings don't work on some tablets with large "air gaps" between the glass panel and the LCD such as the iPad 6, the screen will become too blurry. they've worked fine on all the other screens i've tested them on though
the devices i did not end up putting screen clings on is my main 2012 windows laptop with glossy display, and my old 2016 android phone. that's only because they are both more than great enough already and i don't want to mess with what's already working. aside from these, i actually do have a strong preference for matte displays otherwise