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used to check the power and axis of a cylindrical lens: Maddox rod: used to test for latent squint and retinal function Refraction box: has lenses of different powers for refraction testing: Slit lamp bio microscope: used for examining the anteriorly placed structures the eye; video link: Charts for vision - •Distant vision
Osteo-odonto-keratoprosthesis (OOKP), also known as "tooth in eye" surgery, [1] is a medical procedure to restore vision in the most severe cases of corneal and ocular surface patients. It includes removal of a tooth from the patient or a donor.
Iris scissors are a type of scissors with short blades that was originally developed for ophthalmic surgery. They are alternatively referred to as Iris forceps in the United Kingdom and Asia. Iris scissors are also available in the crafting market and are sometimes used for the production of fabric-related goods.
An operating microscope or surgical microscope is an optical microscope specifically designed to be used in a surgical setting, typically to perform microsurgery. [ 1 ] Design features of an operating microscope are: magnification typically in the range from 4x-40x, components that are easy to sterilize or disinfect in order to ensure cross ...
In 1979, 510k permission was granted to market Healon, and FDA approval in January 1983. Since then OVDs have become essential tools in ophthalmic surgery. [1] Polyacrylamide is a synthetic compound that was used for a while but withdrawn from the market in 1991, after its use was found to be associated with elevated intraocular pressure. [1]
Before the phacoemulsification can be performed, one or more incisions are made in the eye to allow access for the surgical instruments. Entry into the eye is made through a minimal incision; [6] the incision for cataract surgery has evolved along with the techniques for cataract removal and IOL placement. In phacoemulsification, the size ...
Some lubrication may be used to prevent the eye from drying. Depending on the type of keratoprosthesis used, the surgery may involve a full thickness replacement of the cornea or the placement of an intralamellar implant. For the Alphacor a manual incision is used to create a corneal pocket and a punch is used to create an opening through the ...
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 ...
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