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Ophthalmic viscosurgical devices (OVDs) are a class of clear gel-like material used in eye surgery to maintain the volume and shape of the anterior chamber of the eye, and protect the intraocular tissues during the procedure. They were originally called viscoelastic substances, or just viscoelastics.
In August 2007 the company donated $2.5 million to UC-Irvine's Department of Ophthalmology to boost the university's planned Eye Institute. [ 10 ] On February 26, 2009, Abbott Laboratories announced that it had completed its acquisition of Advanced Medical Optics (AMO) in a $2.8 billion deal.
The association was established in Washington, D.C., in 1928 as the Association for Research in Ophthalmology (ARO). In May 1970, it was renamed to its current name to reflect its broader scope. [2] [3] As of 2019, it has almost 12,000 members from 75 different countries.
The journal was established as an official publication of the Association for Research in Ophthalmology (later renamed the Association for Research in Vision and Ophthalmology). The first issue of Investigative Ophthalmology was published in January 1962, with Bernard Becker, MD, as the Executive Editor.
[1] Unlike purely elastic substances, a viscoelastic substance has an elastic component and a viscous component. The viscosity of a viscoelastic substance gives the substance a strain rate dependence on time. Purely elastic materials do not dissipate energy (heat) when a load is applied, then removed.
Hypromellose (), short for hydroxypropyl methylcellulose (HPMC), is a semisynthetic, inert, viscoelastic polymer used in eye drops, as well as an excipient and controlled-delivery component in oral medicaments, found in a variety of commercial products.
Glaucoma is a group of diseases affecting the optic nerve that results in vision loss and is frequently characterized by raised intraocular pressure (IOP). There are many glaucoma surgeries, and variations or combinations of those surgeries, that facilitate the escape of excess aqueous humor from the eye to lower intraocular pressure, and a few that lower IOP by decreasing the production of ...
Ocular drift is the fixational eye movement characterized by a smoother, slower, roaming motion of the eye when fixed on an object. The exact movement of ocular drift is often compared to Brownian motion , which is the random motion of a particle suspended in fluid as a result of its collision with the atoms and molecules that comprise that fluid.