The spots, strings, or cobwebs that drift in and out of your vision are called “floaters,” and they are more prominent if you’re looking against a white background.

These floaters are tiny clumps of material floating inside the vitreous...

Here are 11 bad things that can happen if you don’t wear and care for your contact lenses properly.

1) Sleeping in your contacts. This is the No. 1 risk factor for corneal ulcers, which can lead to severe vision loss and the need for a corneal...