Without surgery, no it isn't possible to change your eye shape however, you can change how your eyes look with makeup. However physically, during anytime of your life you can't without surgery change your eye's physical shape. (However you should be confident in yourself, and don't be overly concerned about your eye shape.)
On the most part yes, though not in a huge way (for example, blue to brown)
You may notice a slight tint in the colour, but unless you've suffered extreme head trauma and or genetically have heterocromia your eye colour will NOT change. I sadly can't give very precise reasons, but I would wager it has something to do with the hormones being released during puberty...
Yes, as there will be hormones present in your body that are not normally there.
no but there lenses harden
No. Nothing short of surgery or injury will change the shape of your eyes.
Yes, to a limited extent.
the lens of our eyes is different to the lens of a magnifying glass-it can change its shape from thick to thin
Increased water pressure can change the shape of your eye. If this happens, it is always an indicator to get your eyes checked professionally.
It is possible to get cosmetic contact lenses that make your eyes appear to have slit pupils like a cat's. It is not possible to either change your eyes physically to have that pupil shape, or change them to be as sensitive in the dark as a cat's eye.
You can't chang your eyes during a fashion show. Once you bought some eyes, your old ones will disappear.
Poseidon can change his eye color as well as shape shift.
I was born with light brown eyes. During puberty they changed to hazel and continued to get lighter until all the brown in my eye was gone. I now have green eyes and and they still continue to get lighter. This is because the amount of meline in your eye decreases as you get older, Your eyes also appear to look more watery and milky. They also often develope a blue rind around the iris.
Eyes, ears, nose and mouth form during the Embryonic period during the fourth week as the head begins to take shape. Also in the fourth week are the first heartbeats.
Owls eyes are a roundy kind of shape like a circle and an oval
They change because when the cat is focusing on a specific object the pupil gets bigger to keep focus, when the pupil is a diamond shape that then means that the cat/kitten is not focusing on something particular