FILTERING SURGERY Meaning and
Definition
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Filtering surgery is a surgical intervention performed in ophthalmology to manage conditions of elevated intraocular pressure (IOP), particularly in cases of glaucoma. Glaucoma is a group of eye disorders that lead to optic nerve damage, resulting in visual impairment or blindness. Filtering surgery aims to alleviate the accumulation of fluid within the eye, thereby reducing IOP and preserving vision.
During filtering surgery, a tiny incision is made on the white part of the eye (sclera) to create a new channel or drainage pathway. This channel allows the fluid (aqueous humor) to flow out of the eye, ultimately lowering IOP. To prevent the channel from closing or scarring, a small patch or implant may be used to maintain the pathway's openness.
The success of filtering surgery is evaluated based on whether the surgical site remains open and maintains efficient fluid drainage. Various techniques can be employed to achieve filtering surgery, such as trabeculectomy or tube shunt procedures.
By reducing IOP, filtering surgery helps to control the progression of glaucoma and prevent further damage to the optic nerve. However, this procedure may pose potential risks, including post-operative complications such as infection, bleeding, or hypotony (abnormally low IOP). Additionally, close post-operative monitoring and lifelong follow-up are often necessary to ensure the procedure's long-term effectiveness.
Common Misspellings for FILTERING SURGERY
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Etymology of FILTERING SURGERY
The term "filtering surgery" is commonly used in the field of ophthalmology to describe a procedure that creates a new drainage channel in the eye to reduce intraocular pressure and treat glaucoma. The etymology of the word "filtering" comes from its usage in this medical context.
The word "filtering" itself is derived from the Old English word "filterian", which means "to filter or purify". In the context of glaucoma surgery, the procedure aims to filter or drain excess fluid from the eye, thus reducing intraocular pressure.
The word "surgery" can be traced back to the Latin word "chirurgia", which means "the healing hand". It has its roots in the Greek words "kheirourgia" (hand work) and "kheir" (hand).
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