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This is actually very cool. Children need vision testing very early on because they will learn to cope with their visual impairment. And can pass a vision test, even thought they have severe visual impairment.
And refracting can spot certain cancers that can be stopped when detected early that save eyesight all together.
i have one of those lol, shits not fun to have
so… why do they have to ask adults what letters they can read and which number is better than the other? just do the same damn thing
It’s cheaper and easier.
To fine tune the script after it’s measured. Especially if just need to update it
Because paper taste better than math
Then they keep ramping up the speed to see if this kid might be a home run champion!
what’s this baby need to see the titties get put right in the mouth ffs
