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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.
to test colour vision ••Ishihara's chart: to determine the type of colour blindness Stenopaeic slit: detection of axis of the cylindrical (astigmatism) power of the eye; glaucoma testing Implants - •Intraocular lens: prosthetic lenses implanted after lens (anatomy) removal •Artificial eyes: as non-functional cosmetic implants into the ...
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.
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. [1] [2]
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.
Nonlinear viscoelasticity also elucidates observed phenomena such as normal stresses, shear thinning, and extensional thickening in viscoelastic fluids. [ 3 ] An anelastic material is a special case of a viscoelastic material: an anelastic material will fully recover to its original state on the removal of load.
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 ...
Translational Vision Science & Technology is a peer-reviewed online-only open access medical journal covering ophthalmology. It was established in 2012 and is published by the Association for Research in Vision and Ophthalmology, of which it is an official journal. The editor-in-chief is Roy S. Chuck.