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.
The flap is moved out of the way similar to Lasik, the laser treats the exposed area, and then the epithelial flap is repositioned. Early reports indicate that there is improvement in recovery time, comfort, and even the probability of haze, but it is much too early to know if Epi-Lasik is really ready for prime time.