Contacts are of no significance, I wear contacts too, used binoculars all through my military service.

Read this and then read the info on site.
Lots of choices out there. But first, a little nomenclature. Binoculars all come with a set of numbers: 7×35, 8×40, 10×60, that sort of thing. There's other stuff going on—design, coatings, types of glass used—but in this price range the most important stats are those pairs of numbers. So, what do they mean? Think of the second number as the diameter of the lens—how wide it is. This affects how much light can go through the lens and hit your eye. A bigger number means a wider lens, letting more light through for a brighter image.

Yea, lots of fog in the San Francisco Bay area :>)

Here you will get best binocular from Agritura.com in cheapest price.
Here is these binoculars feature :-

# optimal device for hunters and outdoor activists who prefer the established form of the binocular
# The Explorer 2000S is splash water protected and is suitable under hardest conditions.
# standardised thread for mounting on a tripod
# eye base as well as dioptre balancing can be adjusted individually
# magnification: 3.1 times
# 50 mm lens diameter
# application range: from 0.5 to 122 m
# field of vision at 100 m: 26 m
# weight: 1.134 kg