Albert Richardson came up with the butter churn. Originally in. 1891 who wanted to make butter had to do so by hand in a bowl. Yet, when Albert Richardsonâs invention was a device that consisted. of a large wooden cylinder container with a plunger-like handle which. moved up and down. Doing this, the movement caused oily parts of. cream or milk to become separated from the watery parts. This simplified. the process of making butter.
It may take 1-2 days to recover after LASIK eye surgery. Most patients can return to work the next day after LASIK procedure.
Recovery Time. Recovery time after laser eye surgery is rapid, according to WebMD. Prescription eye drops are given to prevent infection and keep the eyes moist during the healing time. The eyes will feel dry and the patient will likely have blurry vision for one to two days.unctions. Vision impairment conditions have to do with how light focuses on the retina of the eye, which is determined by the shape of the cornea. The cornea is the window in the front of the eye, which gives it the majority of its focusing power.