Question

why medicines dropped in the eye flow down into the nose

Answer 1

eye drops when blinked flow into puncta then down calculus and then into nose

Answer 2

Hello dear your answer is in down

it is because of the duct known as nasolacrimal duct which conduct the situation into the nasal cavity.

Or you can write your answer this

The medicine dropped down in eyes passed into back of the nose via lacrimal punctum that leads to the nasolacrimal duct.

Hope it helps you
Thank you

Bye