posterior chamber


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Related to posterior chamber: Anterior chamber, Vitreous chamber

chamber

 [chām´ber]
an enclosed space.
Chambers of the eye. From Dorland's, 2000.
anterior chamber the part of the aqueous humor-containing space of the eyeball between the cornea and iris.
counting chamber the part of a hemacytometer consisting of a microscopic slide with a depression whose base is marked in grids, and into which a measured volume of a sample of blood or bacterial culture is placed and covered with a cover glass. The number of cells and formed blood elements in the squares is counted under a microscope and used as a representative sample for calculating the unit volume.
drip chamber the expanded portion of intravenous tubing into which fluid falls, where the rate of flow can be monitored if necessary. See also intravenous infusion.
hyperbaric chamber an enclosed space in which gas (oxygen) can be raised to greater than atmospheric pressure; see also hyperbaric oxygenation.
ionization chamber an enclosure containing two or more electrodes between which an electric current may be passed when the enclosed gas is ionized by radiation; used for determining the intensity of x-rays and other rays.
posterior chamber that part of the aqueous humor–containing space of the eyeball between the iris and the lens.
vitreous chamber the vitreous humor–containing space in the eyeball, bounded anteriorly by the lens and ciliary body and posteriorly by the posterior wall of the eyeball.

posterior chamber

n.
The space between the iris, the lens, and the ciliary body of the eye, filled with the aqueous humor and communicating through the pupil with the anterior chamber.

posterior chamber

In the eye, the space behind the iris and in front of the vitreous body. It is occupied by the lens, its zonules, and the aqueous humor.
See: anterior chamber; eye for illus
See also: chamber
References in periodicals archive ?
There are no published studies on the results of the IOL implanted in this study, and the amount of myopia in this study is higher when compared to other posterior chamber phakic IOL studies in the literature [2, 6-16].
In conclusion, the principles of diagnosis of intraocular filariasis include: (1) early suspicion of potential infection in US residents, returning travelers, and expatriates from endemic areas who complain of a constellation of red eye, eye pain, foreign body sensation, reduced visual acuity, and migrating ocular nematodes, even without significant peripheral eosinophilia or microfilaremia; (2) measurement of visual acuity and intraocular pressure; (3) slit lamp examination of the anterior chamber for mobile worms or subconjunctival nodules of coiled microfilariae or adult worms; and (4) posterior chamber and fundoscopic examination.
In this study posterior chamber was investigated in cattle eye and details of this structure considered and by using B-mode display measurement of posterior chamber depth.
Forty five (90%) eyes had posterior chamber intraocular lens, two (4%) had anterior chamber intraocular lens while three (6%) eyes were aphakic.
Request for quotations :Intraocular posterior chamber fixation lens 2,000 pcs.
With the help of handheld slit lamp, corneal clarity, anterior chamber, pupil, lens and posterior chamber were examined.
The aim of this study was to evaluate the visual outcomes, complications and tumor recurrence rates after phacoemulsification and posterior chamber intraocular lens (PCIOL) implantation in children with radiation-induced cataracts.
Then, the tailing haptic is inserted into the posterior chamber. The IOL that does not fall as one haptic is already incarcerated in the scleral pocket.
The procedure is typically carried out unilaterally and involves the insertion of an IOL into the anterior or posterior chamber (depending on the lens type) through a self-sealing corneal incision.
They cost twice as much as LASIK, however, and are associated with significant vision-threatening complications.3 These are placed in front of the natural lens and come in three variants: Angle supported, iris fixated and, posterior chamber.3,5
Early results of posterior chamber intraocular lens (PC IOL) implantation in the ciliary sulcus appeared better in comparison to iris supported and anterior chamber (AC) lenses.

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