Posterior Vitreous Detachment Causes: How To Prevent & Treat It?

Posterior Vitreous Detachment Causes: How To Prevent & Treat It? . Human eye though a complex organ is truly fascinating. It has the ability to see beyond the horizon and observe different colors of rainbow. The eyesight can be quicker than a race car, but at the same time can be slow to watch a crawling snail. The image is built when light enters the eye.

Eye is made up of several different structures. Vitreous is one of them. It is a clear substance having gel like consistency. Vitreous occupies almost one third of the eye. 99% of vitreous fluid is made up of water and rest 1% is made up of collagen and hyaluronic acid which gives it a jelly like consistency.

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Vitreous has many roles to play; it helps to maintain the shape of the eyes and absorbs shocks from external blows. It also facilitates light to be projected on retina.

In normal circumstances, the posterior portion of vitreous supports the front of retina. However, with growing age, the vitreous may become more liquid and collapse in the central part of the eyeball. While doing so it may pull away a part of retina and this is called posterior vitreal detachment. Patient may complain of appearance of cobwebs or floaters in front of their eye.

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In few cases, it may lead to retinal tear and retinal detachment.

Causes Of Posterior Vitreous Detachment

A mild to moderate posterior vitreous detachment is present in people above the age of 70. But many people in younger age may also complain of the same. Most often if one eye is involved, the other eye will get affected sooner or later. Given below are important causes that can give rise to posterior vitreous detachment (PVD).

• It can be one of the complications after cataract surgery.
• People having nearsightedness are vulnerable to PVD.
• An inflammation inside the eye may cause the vitreous to become more liquid and collapse.
• Any type of direct or indirect injury to the eye, such as a blunt trauma or a fist blow or fall from a height etc can give rise to PVD.
• If retinal vessel is torn the blood may leak in the vitreous.

Prevention And Treatment Of Posterior Vitreous Detachment

Since posterior vitreous detachment is more to do with growing age, it is necessary to support eye health. Patient should eat Beta carotene containing foods. Carrots, green vegetables, meat, fish and other foods are rich sources of vitamin A.

Patient should stop smoking. Smoking can not only lead to respiratory and heart problems, but it can also affect the eyesight.

If patient is suffering from posterior vitreous detachment, it is necessary to prevent traumatic events that may lead to further problem of retinal detachment. He should avoid excessive strenuous exercises. Avoid activities such as running, basketball, aerobics and heavy lifting.

If posterior vitreous detachment is not accompanied with retinal tear, there is no need for any treatment. The floaters will become less as time passes. After some time sparkling, flashes and floaters will become less.

If there is retinal tear, laser and cryotherapy can be effective. If the retina is completely detached, surgery is necessary.