Andrew Huberman· PhD
cataract is the blurring the Aging of the lens inside the eye behind the cornea we talked about how that is responsible for focusing light under the back of the eye it also has to be clear enough that the light gets through the lens and a cataract is a normal aging process you know as I said if we all live to a 100 or 110 years old we'll all get cataracts we'll all need cataract surgery