Are you are talking about when you are in a pool and you can't see very well? If so, people have "swimmers" because they probably open their eyes under water too much without goggles. It makes the white part in your eyes a little red and your vision is a little blurry.
Many inexperienced swimmers misjudge their ability. That causes them to try more than they are capable of.
Contaminated water
Many swimmers (in a pool) wear swimming goggles.
yes, but they usually have goggles on so it depends
It is caused by water entering the ear canal. You should get it out after swimming.
They don't have to, but it makes swimming a whole lot easier. For instance, they block water from falling into your eyes.
The amount of melanin in the eyes.
Lack of sleep causes bags under the eyes.
The collective noun for 'swimmers' is a raft of swimmers.
It could be allergies, dry eyes, or pink eyes Too much beer.JN
carrots
boredom