The eye can only look in one direction. It has bad vision.
NO
It means you have one eye open. If you mean the idiom "sleep with one eye open," it means that you are staying alert at all times in case of disaster.
your eye is more than one color
It's known as heterochromia.
None that's visible to the naked eye
One your right eye switches is good luck when your left eye switches it is bad luck
she got sumin in her eye
It means that one eye is sorta blind
The narrator's land lord had one eye with cataracts.
One eye on a Cyclops.
This could be a sign of a condition called strabismus, where the eyes are misaligned and not looking in the same direction. It may be caused by problems with the eye muscles or nerves, and can lead to double vision. It's important to see an eye doctor for proper diagnosis and treatment.
Yes, its one of the planets that can be seen with the unaided eye, known to ancient people as being different from the fixed stars.