On Apr 10, 2:42*pm, "Dave Liquorice"
wrote:
On Wed, 10 Apr 2013 13:47:19 +0100, Phil Addison wrote:

Well each to there own but I use detergent and running water. Soap I find
doesn't clean as well and tends to smear on drying the lenes on a bit of
kitchen roll.

My optician says paper scratches the lenses, apparently you should use
a microfibre cloth or lint-free cotton.

Jonathan