On Thursday, March 16, 2017 at 2:13:53 PM UTC-7, James wrote:

If you need a high beam light to see enough not to bump in to things at
night while you are moving at less than 10km/h ( 6 miles/h), you have
really poor eyesight. Do you walk with a white cane?

This is close to the mark. But even Frank has to admit that this subject has been beaten to death since this is the 170th posting on this string.