Thanks for putting that link to the cataract site. My recent adopted dog "Dirtnap" has cataracts and a drainy eye. He is an 10 year old Eskimo Spitz. I noticed it as soon as I saw met him. I have been told that the surgery is over $2,000 per eye!!!
He flinches anytime you try to reach for him. I don't think he sees very well. It may be shadows that he sees. I am patient with him and understand to approach slowly. His one eye constantly has "Goo" coming out of it. My vet gave me nothing for it. It is red in color and stains under his eye. I just take a tissue and wipe it off once a day. I do notice him trying to rub at his eyes occassionally.
All in all Dirtnap is doing great!!! Hope yours does well as well.