I wish all problems could be solved by use of the internet - for your problem of floaters and different shapes it is important to have an eye examination by an eye surgeon who will dilate your pupils and have a detailed examination of the retina and the jelly in front of it called the vitreous . Once he says your eyes are normal , which seems likely at your age, we can suggest ways to help you live with the problem. Maskatieyeclinic opposite Charni road station east, Mumbai

these could be nonpathological bu you must get your fundus exam done by an ophthalmologist nearby.