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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.
Surgical techniques that have contributed to this success include microsurgery, viscoelastics, and phacoemulsification. [2] Cataract surgery is the removal of the natural lens of the eye that has developed a cataract, an opaque or cloudy area. [3]
Phacoemulsification is a cataract surgery method in which the internal lens of the eye which has developed a cataract is emulsified with the tip of an ultrasonic handpiece and aspirated from the eye. Aspirated fluids are replaced with irrigation of balanced salt solution to maintain the volume of the anterior chamber during the procedure.
effectively two small canulae fitted together, one to introduce fluid and the other to extract the cortical materials, blood, etc. in eye operations •Lacrimal canula small curved canula the size of a syringe needle used to introduce fluids or drugs into the nasolacrimal passage to test its patency or during surgery ( dacrocystography ...
Burkhard Dick (born 1963 in Brake, Lower Saxony) is a German ophthalmologist who has specialized in refractive and cataract surgery.With his many contributions to the scientific literature on this topic, he is considered one of the pioneers of employing the femtosecond laser in cataract surgery.
In materials science and continuum mechanics, viscoelasticity is the property of materials that exhibit both viscous and elastic characteristics when undergoing deformation. ...
Visual acuity with eye chart at Near 15.7 inches (400 mm) and without (sc: Latin sine correctore) correctors (spectacles); Ncc is with (cc: Latin cum correctore) correctors. See Visual_acuity#Legal_definitions: VA OS Left visual acuity VA OD Right visual acuity VDU Visual display unit VF Visual field VPS Variable prism stereoscope WD
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. AMO had become a wholly owned subsidiary of Abbott and ...