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Vitreomacular adhesion (VMA) is a human medical condition where the vitreous gel (or simply vitreous, AKA vitreous humour) of the human eye adheres to the retina in an abnormally strong manner. As the eye ages, it is common for the vitreous to separate from the retina.
Ocriplasmin, sold under the brand name Jetrea, is a recombinant protease with activity against fibronectin and laminin, components of the vitreoretinal interface.It is used for treatment of symptomatic vitreomacular adhesion, for which it received FDA approval on 17 October 2012.
The vitreous (Latin for "glassy") humor is a gel which fills the eye behind the lens. Between it and the retina is the vitreous membrane . With age the vitreous humor changes, shrinking and developing pockets of liquefaction, similar to the way a gelatin dessert shrinks and detaches from the edge of a pan.
[8] [23] [24] In this technique, the vitreous gel is removed from the eye to relieve the pulling force on the retina. [8] [10] Any fluid behind the retina is drained, and tears are sealed with freezing or lasers. [8] [10] The removed vitreous is then replaced with either a gas bubble or silicone oil, which stabilizes the retina.
Peripheral (posterior) vitreous detachment occurs when the gel around the eye separates from the retina. This can naturally occur with age. However, if it occurs too rapidly, it can cause photopsia which manifests in flashes and floaters in the vision. Typically, the flashes and floaters go away in a few months.
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Intravitreal injection was first mentioned in a study in 1911, in which the injection of air was used to repair a detached retina. [6] [7] [8] There were also investigations evaluating intravitreal antibiotics injection using sulfanilamide and penicillin to treat endophthalmitis in the 1940s, yet due to the inconsistency of results and safety concerns, this form of drug delivery was only for ...
Many conditions have a genetic component and still need traditional treatments, like medication. Downsides of Dr. Weil's Anti-Inflammatory Diet ADHERING TO THE diet could be costly and time ...