You may have seen advertisements claiming to eliminate the need for eyeglasses through vision therapy or vision training – basically, eye exercises. These exercises include putting pressure on or ...

You may have seen advertisements claiming to eliminate the need for eyeglasses through vision therapy or vision training – basically, eye exercises. These exercises include putting pressure on or ...

This article was originally featured on The Conversation. You may have seen advertisements claiming to eliminate the need for eyeglasses through vision therapy or vision training – basically, eye ...

Editor’s note: The views expressed in this commentary are solely those of the writer. CNN is showcasing the work of The Conversation, a collaboration between journalists and academics to provide news ...

You may have seen advertisements claiming to eliminate the need for eyeglasses through vision therapy or vision training – basically, eye exercises. These exercises include putting pressure on or ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. (THE CONVERSATION) – You may have seen ...

If you ever notice pesky dark strands that may resemble anything from a simple speck to a cobweb drifting across your vision, what you're probably seeing is what's known as an eye floater. Eye ...

There’s a dark spot floating in front of your eye, but when you try to look directly at it, it scoots away. What the heck? These little shadows are known as floaters, and like gray hair and laugh ...

Eye floaters are small, shadowy shapes or thread-like strands that drift across your vision, often most noticeable against bright or plain backgrounds. These common visual disturbances, medically ...

Add Yahoo as a preferred source to see more of our stories on Google. For people tired of wearing glasses, the claims can be enticing. Valeria Blanc/E+ via Getty Images You may have seen ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. (THE CONVERSATION) – You may have seen ...