https://wikimd.com/index.php?action=history&feed=atom&title=Pars_plana 2026-04-14T09:14:01Z Revision history for this page on the wiki MediaWiki 1.44.2 https://wikimd.com/index.php?title=Pars_plana&diff=6517002&oldid=prev 2025-03-17T22:25:18Z

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Prab https://wikimd.com/index.php?title=Pars_plana&diff=5336303&oldid=prev 2024-02-29T18:08:24Z

<p>CSV import</p> <p><b>New page</b></p><div>&#039;&#039;&#039;Pars plana&#039;&#039;&#039; is a part of the [[eye]]&#039;s [[ciliary body]], which is a ring-shaped tissue located behind the [[iris]]. The ciliary body, including the pars plana, plays a crucial role in the production of [[aqueous humor]], a fluid that nourishes the eye and maintains intraocular pressure. The pars plana is specifically located between the [[retina]] and the ciliary body&#039;s anterior portion, the [[pars plicata]].<br /> <br /> == Anatomy ==<br /> <br /> The pars plana is approximately 4 mm wide and is located in the posterior part of the ciliary body. It is named for its flat appearance, as &quot;pars plana&quot; translates to &quot;flat part&quot; in Latin. The pars plana is devoid of the ciliary processes that are found in the pars plicata, which gives it its flat appearance.<br /> <br /> == Function ==<br /> <br /> The primary function of the pars plana is to produce aqueous humor. This clear fluid fills the anterior and posterior chambers of the eye, providing nutrients to the [[cornea]] and the lens, which do not have their own blood supply. The aqueous humor also helps to maintain the eye&#039;s shape by creating intraocular pressure.<br /> <br /> == Clinical significance ==<br /> <br /> The pars plana is often the site of a surgical procedure known as a [[pars plana vitrectomy]]. This procedure involves the removal of the [[vitreous humor]], a gel-like substance that fills the back of the eye, to treat various eye conditions such as [[retinal detachment]], [[diabetic retinopathy]], and [[macular hole]].<br /> <br /> == See also ==<br /> * [[Ciliary body]]<br /> * [[Pars plicata]]<br /> * [[Pars plana vitrectomy]]<br /> <br /> == References ==<br /> <br /> {{reflist}}<br /> <br /> [[Category:Eye anatomy]]<br /> [[Category:Ophthalmology]]<br /> {{Eye-stub}}<br /> {{Medicine-stub}}</div>

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