Condensation issues Ring doorbell 2

Hi all, I realise there are already a few topic responses on here to condensation. But mine does not involve condensation inside the doorbell. I have recently moved to a very rural part of Essex amongst fields. Unfortunately this winter has caused the dampness from the surrounding countryside to fog up the glass over the camera lens on the outside. I have thought about buying a silicone cover for the doorbell casing or indeed something similar but I do not think this will resolve the issue. The condensation will just build up on whatever serfice is exposed. I have been advised to buy some of the product that is used to defog / keep clear motorcycle helmet visors.such as Rain-ex. Can I have your opinions / help please? Even now at 10.50am the live view is covered in wetness. Many thanks Paul