Floaters(that snake,dot like floating things in eye)

Floaters

What the hell is those floating worm-like things that we see while looking at sky.
Those are called floaters. Its scientific name is 'muscae volitantes'. These are not the things outside of our eyes, in the sky or in the atmosphere they are because of something in our eyes.

Then what is this floaters (muscae volitantes)

This are just shadow formed bye some substance in our eye more precisely In  our vitreous humour.

Light versus through various medium of our eyes to reach the retina. In retina there is photosensitive cells which Makes  our vision. Just in front of retina there is a jelly like medium called vitreous humour. When there is something in this vitreous humour while passing light through it makes a shadow in the retina. This shadow is our floaters.

Substances in vitreous humour

• Tissue remnants
• RBC (red blood cells)
• Other blood cells

When these are clearly seen

This are clearly seen while looking at any single coloured medium,like

• Blue sky
• Blank computer screen
• Sea
• White board
• Single coloured wall

Etc.

Are these harmful

Not really. Normally these are not harmful at all.Because our mind adapts to avoid those things. And these are not so clearly seen untill you look at a above mentioned mediums. But when these disturb subject's vision very much. Then these are considered as harmful.

Treatment

Generally treatment for these is avoided untill patient complians of very very much problem. In serious condition two type of treatment can be taken

• YAG laser surgery
• vitrectomy

But both these are very dengerous.

To know more you can watch the following video