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1.
When cum gets on the inside of a girl's contacts, so everything appears cloudy.

When girl wears glasses and a man comes on the inside of her glasses. When she puts them on, she has cum vision.

Refers to the smears on the glasses that are difficult to clean off.

When cum gets into the eyes and makes everything appear slightly cloudy.
"What's wrong with your eyes; do you have cataracts or something?"

"No, I just have cum vision."
by Andrubidus February 17, 2009