Oh.
and th the  the symptom is typically that you   you have to hold stuff uh uh further away to  to see it.
Uh - huh. Yeah.
In fact , uh m my brother 's a  gerontological psychologist and he  he uh  came up with an  an uh  a uh body age test which uh gets down to sort of only three measurements that are good enough st statistical predictors of all the rest of it. And one of them is  is the distance  that you have to hold it at.