Specs misting-up prevention tips wanted!

Hi all

As a newcomer to SOTA I was wondering if anyone has any tips for preventing spectacles (eye glasses) misting up? I was in cloud yesterday and suffered the dreaded misting of the specs. the whole time. I resist wiping them with my fingers etc as it usually makes things worse.

Any ideas please?

73
Richard
G4ICP

In reply to G4ICP:
If your glasses are not the coated lens type you could try rain-ex anti fogging treatment as used for cars.

In reply to M6EPW:

Hi Richard, I have no experience of the product myself but a work colleague who is a keen road cyclist swears by a product designed specifically for motorcyclists, which would be far more suitable for you than a car product.

I can’t remember the name at the moment but I will reply later with the specific product if nobody beats me to it.

Thanks & 73,

Mark G0VOF

In reply to G4ICP:

I tried Google: glasses demist

It came up with lots of suggestions.

I usually take mine off in extremis.

73 Richard G3CWI

In reply to G4ICP:
Hi Richard, sadly I don’t have good news for you. I wore glasses for distance correction for 20 years and tried all sorts of ways to overcome this issue with only limited success.

In the end I had LASIK corrective surgery about 12 years ago which provided the solution. A bit radical I know.

The motorcycle anti fog stuff for visors works OK, but only stops misting from breathing. It won’t help if you are in thick cloud and that is settling on the lenses.

Sorry!

73
Gerald
MW0WML

In reply to MW0WML:

The trouble with corrective surgery is that your eyesight changes with time so that the correction becomes less effective - then there are the well-known problems of advancing years so eventually you have to put on specs to read maps etc.

The best solution to the fogging problem is to have two pairs of specs, keep one pair warm in an inside pocket, and change them over when necessary. The warm pair won’t fog until they have cooled down to the dewpoint.

73

Brian G8ADD

In reply to G8ADD:
Hmmm, the two pairs of glasses idea sounds good.

I’ve had the surgery for 12 years now and little change in my eyes fro distance vision - although I know I am lucky.

However, I do now need reading glasses, but that doesn’t usually prove to be a problem when walking or cycling in mist and rain.

73
Gerald
MW0WML

In reply to MW0WML:

In reply to G8ADD:
Hmmm, the two pairs of glasses idea sounds good.

Regrettably, I’ve worn specs since I was four, one learns some tricks! My focal correction only changes slowly but the astigmatic correction has changed more rapidly in recent years.

73

Brian G8ADD

In reply to G4ICP:

I have used a product called “Cat Crap” with some success. The link for the UK distributor is here:

http://www.crookedimaging.co.uk/catcrap01-cat-crap-anti-fog-camera-lens-filter-goggles-sun-glasses-visor-cleaner-paste.html

It comes in various forms, which are described in their blog:

http://blog.crookedimaging.co.uk/index.php/2013/08/12/crooked-imaging-are-now-the-uk-distributor-for-cat-crap-and-scope-dope/

73,

Linda
AB7YL

In reply to G4ICP:
The best thing I ever did was change to contact lens.
I wouldn’t be without mine (now 20 years plus wearer).
Pete