sugar blind

The loss if sight due to diabetes.

I knew she would go sugar blind. Her favorite meal was a mashed-potato sandwich.

sugar-blindness

A temporary state in which sweet food or drink items cause a person to find savory or otherwise less sweet food or drinks less sweet or appealing, when they would otherwise think that it is sweet.

*Drinks very sweet coffee, then eats some jelly toast* “This toast isn’t very good… I’m probably sugar-blind from my coffee.”
“I’ve got sugar-blindness from that donut I ate before supper.”