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Topic: Descemets membrane

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	360 도 섬유주절개술 중 발생한 데스메막 박리 - 레포트넷 (Site not responding. Last check: 2007-11-05)
		At 25days after trabeculotomy, Descemet's membrane was reattached to central cornea, which became clear.
		Extensive Descemet's membrane detachment during 360。trabeculotomy can be prevented by cautious pulling of suture fragments and injection of viscoelastic into anterior chamber just before pulling.
		When detachedDescemet's membrane was rolled too tightly to be reattached by conventional procedure such as mattress suture or gas injection, the reattachment of the Descemet's membrane can be achieved by unrolling the membrane usingviscoelastic(J Korean Ophthalmol Soc 41:788~792, 2000).
	report.howdeal.net /detail/792/791121.html (300 words)

	Netherlands Institute voor Innovative Ocular Surgery - Melles
		Fourth, in the event of a micro-perforation, the break in Descemets membrane is self-sealing by the air in the anterior chamber, and the dissection may be continued without loss of the intraocular pressure.
		Although Descemets membrane may easily withstand the intraocular pressure in the presence of a Descemetocèle, we found that a large area of exposed, denuded Descemets membrane is fragile, and that a microperforation has a tendency to enlarge by itself due to the elastic properties of Descemets membrane.
		If dissection of Descemets membrane is successful, these cases may benefit from the advantages of a lamellar keratoplasty, whereas the procedure is easily converted to a penetrating keratoplasty in the event of perforation.
	www.niioc.nl /edalkcrs/edalk11.htm (1305 words)

	DescemetS Membrane (Site not responding. Last check: 2007-11-05)
		It is compose of 5 layers: epithelium, Bowman's membrane, stroma, Descemets membrane, and the endothelium.
		Descemet's membrane IN BRIEF Fourth layer of the cornea (counting from the outside), between the stroma and the endothelium.
		During EK, a surgeon removes descemets membrane and endothelium from a patient's cornea, replacing it with the prepared allograft-a layer of donor posterior stroma, descemets and endothelium.
	www.thelasikguru.com /dt/Cat-Eyesight/DescemetS-Membrane.html (569 words)

	Endothelial Keratoplasty -- DLEK & DSEK Sutureless Corneal Transplant Surgery Techniques
		This modification utilizing the stripping of Descemet’s membrane has been popularized as “Descemets Stripping Endothelial Keratoplasty”, or “DSEK”, and has the advantage of being easier for the surgeon to perform and of providing a smoother interface on the recipient side for the visual axis.
		The diseased endothelium and thickened descemets membrane of the recipient is easily punctured by the blunt tip of the reverse Sinskey hook and the hook then is used to score the recipient descemets membrane, following the path of the overlying circular template mark.
		The same size diameter punch is used as the diameter of the descemet’s membrane disc that was removed from the recipient.
	www.dlek-dsek.com /dsekprocedure.htm (7315 words)

	Contact Discount Lens (Site not responding. Last check: 2007-11-05)
		Gross anatomy The stroma or substantia propria, sandwiched between the epithelium and Bowmans layer anteriorly and the corneal endothelium and its supporting Descemets membrane posteriorly, is about 500 ?m thick and constitutes up to 90% of the total corneal thickness [1].
		Whilst only 17% of the entire (anterior and posterior combined) lamellae are preferentially aligned in the corneal centre, this appears to increase as one moves to the periphery [9] until the very peripheral stroma, where lamellae take a circular course [3], [6] and [9].
		Numerous fenestrations (80–160 nm), spine-like protrusions and smaller omega-shaped structures (40–60 nm) are observed along the plasma membrane and at the surface of keratocytes [16].
	lens.excellentoffers.info /contact_discount_lens/contact_discount_lens.html (6195 words)

	THE PROLIFERATIVE CAPACITY OF THE CORNEAL ENDOTHELIUM AFTER CELL TRANSPLANTAION ONTO DESCEMETS MEMBRANE (Site not responding. Last check: 2007-11-05)
		In previous studies we demonstrated that human corneal endothelial cells (HCEC) formed a monolayer afar retransplantation of the in vitro cultured cells onto the Descemet's membrane of corneas.
		The aim of our further studies was to determine whether the reorganisation of the endothelial cells on the Descemet's membrane is influenced by proliferation or by migration of the cells.
		To detect the BrdU-labeled nuclei, the Descemet's membrane had to be removed from the cornea.
	www.dog.org /engl/abstract97/V115.html (362 words)

	Prosthetic cornea and method of implantation therefor - Patent 4842599
		When Descemets Membrane and Endothelium are opaque, which is rare, completion of the preparation also includes continuing cylindrical incision 54 through the remaining posterior corneal layers, thereby excising the predetermined corneal section.
		Once the cylindrical incision 54 terminates at the juncture of the stroma and Descemet's membrane, generally circular and inwardly directed terminal incision 70 is then made at the nethermost portion of endless incision 54 to facilitate removal of cylindrical plug 72.
		The layers immediately adjacent posterior surface 63, Descemet's membrane 44 and endothelium 45, have not been excised and are integral with the remaining portion of the living cornea.
	www.freepatentsonline.com /4842599.html (8529 words)

	U.S. Patent: 5634921 - Method and apparatus for modifications of visual acuity by thermal means - June 3, 1997
		The procedure of heating the corneal membrane to correct a patient's vision is commonly referred to as thermokeratoplasty.
		As known to those skilled in the art, the cornea includes an epithelium layer, a Bowmans membrane, a stroma, a Descemets membrane and a endothelium layer.
		The cycle of dehydration and outward current flow continues until the resistance from the tip to the outer rim of the corneal surface, and the full thermal profile, is significantly high to prevent further current flow of a magnitude to further cause denaturing of the corneal tissue.
	www.everypatent.com /comp/pat5634921.html (7582 words)

	Color Contact Lens Non Prescription (Site not responding. Last check: 2007-11-05)
		BZ: Bowmans layer; DM: Descemets membrane; En: endothelium; K: keratocytes (from [3]).
		The opacities are typically asymptomatic, bilateral, more common in the central deep posterior stroma just anterior to Descemets membrane but can sometimes be observed in the anterior and/or peripheral stroma [83] and [85].
		Stromal micro-opacities may be associated with reduced vision [82], [84] and [87] and redness [82], striae or folds in Descemets membrane [82] and with an increased endothelial permeability [86].
	lens.excellentoffers.info /color_contact_lens_non_prescription (5610 words)

	All India Ophthalmological Society - India's Biggest Ophthalmic Organisation
		The donor age was 72 years, the cause of death was cardiac arrest due to old age, the death to enucleation time was 4 hours, the enucleation to preservation time (M.K. Medium) was 12 hours and the preservation to utilisation time was 24 hours.
		The donor cornea just prior to utilisation showed an intact clear epithelium, 1+ stromal edema and 1+ descemets folds, good endothelium and was graded as acceptable for optical surgery for an older recipient.
		On first post operative visit the graft was clear, epithelium was intact, sutures were in place, the chamber was deep with trace cells and flare and the pupil was round.
	www.aios.org /proceedings.cfm?pid=479&show=y (1334 words)

	From the Editor: March 1999
		The deep sclerectomy procedure advocated by Mermoud and coauthors creates a Descemets' window that facilitates aqueous percolation through this membrane from the anterior chamber.
		A collagen implant, placed in the bed of the sclerectomy, maintains a patent route for aqueous egress under the scleral flap to the subconjunctival space.
		However, the success of this technique requires the unroofing of Schlemm's canal and the accurate identification of the canal's ostia on either side of the deep dissection.
	www.ascrs.org /publications/jcrs/editmar9.html (584 words)

	descemets membrane Info about membrane. This site contains relevant information about membrane. (Site not responding. Last check: 2007-11-05)
		Every cell is descemets membrane subject biomedical and evaluation and thus protects.
		Africa spacer facets of descemets membrane changes diffusion if they were extensively studied.
		Show that a descemets membrane phospholipids is descemets membrane to analyze all.
	membrane.eye-search.org /descemets-membrane.html (628 words)

	AMDF Bulletin Board
		When optical membranes become permeable, nutrition is able to penetrate through the optical tissues and provide the nutrients needed for the body to heal itself.
		When these membranes become tough like leather, the fluids are trapped, and the particles start to build up.
		When the MSM eye drops are applied, the membrane becomes permeable and in some reported cases helps assist the body repair this problem, stabilizing the pressures.
	www.macular.org /test/board/messages/1/288.html?1088553617 (632 words)

	Endothelial Keratoplasty -- DLEK & DSEK Sutureless Corneal Transplant Surgery Techniques
		In an attempt to improve the smoothness of the recipient interface, Melles described a laboratory and three patient eye study whereby he stripped Descemet’s membrane from the recipient to provide a bed to stick the donor tissue directly onto the posterior surface, eliminating the recipient stromal dissection from the endothelial keratoplasty procedure.
		Pure Descemet’s membrane is quite fragile and manipulations of donor tissue which are well tolerated in the current EK techniques result in wrinkles, folds, tears, and unacceptable endothelial cell death when applied to pure Descemet’s transplantation.
		Descemet’s stripping with endothelial keratoplasty in 50 eyes: A refractive neutral corneal transplant.
	www.dlek-dsek.com /endothelialkeratoplasty.htm (3971 words)

	membrane roof Info about membrane. This site contains relevant information about membrane. (Site not responding. Last check: 2007-11-05)
		Scale membrane dies away from low concentration difference between a series of membrane roof.
		Gasoline engine or membrane roof our challenge is. Address drum, is membrane roof demo of membrane roof through their properties.
		Somewhat of membrane roof membranes, to study of direct inquiries by diffusion.
	membrane.eye-search.org /membrane-roof.html (811 words)

	Lecture 21. Special Sense Organs
		membraneous labyrinth: filled with endolymph: closed; interconnected fluid-filled; lined by simple epithelium except in endolymphatic sac (in subdural space) lined by columnar epithelium [possibly site ofendolymph absorption]
		membraneous component of cochlear: arises from saccule; triangular canal divides osseous space into 3 spiral components
		separated from scala tympani by basilar membrane supporting spiral organ; composed of fibrous tissue; attached axially to spiral lamina and laterally to spiral ligament (marked thickiening of endosteum on lateral wall of cochlear canal); stria vascularis: thickened outer wall; highly vascular; maintains ionic composition of endolymph
	www.pitt.edu /~sshostak/biosci1450/hislec21.html (1156 words)

	The Visual Pathway
		Damage to the stroma, Descemets membrane or the endothelium would cause permanent damage to the cornea.
		the cone outer segment cell membranes undulate to form a comb-like appearance so that the cone discs are connected to the plasma membrane throughout the extent of the outer segment, and thus are open to the extracellular space.
		Note the double membranes of the discs and the fact that the discs are separated from the cell membrane.
	individual.utoronto.ca /yousef/normaleye.html (2834 words)

	Netherlands Institute voor Innovative Ocular Surgery - Melles
		The intended depth of the needle was reached by advancing the needle toward Descemets membrane, until the dark band in between the tip of the needle and the specular light-reflex at the air-to-endothelium interface, i.e.
		(a) After insertion of a needle into the recipient cornea to just anterior to Descemets membrane, (b) viscoelastic is injected to separate Descemets membrane from the posterior stroma, and (c+d) an anterior corneal lamella is trephinated and excised.
		After removal of Descemets membrane (see chapter 6), the donor button was transferred to the recipient stromal bed, and the donor and recipient corneal surfaces were marked with an eight incision radial keratotomy marker.
	www.niioc.nl /edalkcrs/edalk5.htm (752 words)

	Nancy C. Joyce: General Information (Site not responding. Last check: 2007-11-05)
		The endothelium is the single-cell layer that forms the posterior boundary of the cornea.
		It is bathed on its apical side by aqueous humor and is attached on its basal aspect to Descemets’ membrane.
		These cells can be transplanted onto Descemet’s membrane of recipient corneas, resulting in the formation of a monolayer with a density equivalent to that of normal endothelium and exhibiting normal morphological characteristics.
	www.theschepens.org /faculty/joyce/general_info.htm (595 words)

	Cogan-Reese disease (www.whonamedit.com)
		A syndrome characterized by a matted or smudged appearance to the surface of the iris, unilateral glaucoma in the eyes with multiple peripheral anterior synechiae, multiple nodules of the iris, and ectopic Descemet's membrane.
		Cogan-Reese syndrome is a subset of the larger disease category iridocorneal endothelial syndrome, which is characterized by abnormal proliferation of the corneal endothelium over the cornea, iridocorneal angle, and onto the surface of the iris.
		A syndrome of iris nodules, ectopic Descemets membrane, and unilateral glaucoma.
	www.whonamedit.com /synd.cfm/2584.html (186 words)

	XXIV Congress of the ESCRS London 2006
		A donor separation of the Descemets was done before grafting the corneal lenticule.
		RESULTS: Intraoperative perforation of the Descemets membrane with the necessity of converting the procedure into penetrating keratoplasty occurred in five cases (16.1%) These 5 patients were excluded from the study.
		Postoperative BCVA ranged from 0.2 to 1.0 and astigmatism from 1.25 to 4.75 D. Postoperative complications included loose sutures, steroids induced ocular hypertension and Descemets membrane detachment in one eye causing a temporary double chamber.
	www.escrs.org /EVENTS/06LONDON/sessiondetails.asp?id=1065&category=Poster&sessiondate= (240 words)

	Ophthalmology Review: Descemet's stripping with endothelial keratoplasty in 200 eyes: Early challenges and techniques ...
		Descemet's stripping with endothelial keratoplasty in 200 eyes: Early challenges and techniques to enhance donor adherence
		USA.To describe early challenges and techniques to promote donor tissue adherence in Descemet's stripping with endothelial keratoplasty (DSEK).
		The surgical technique consisted of stripping Descemet's membrane and endothelium from the recipient's central cornea and transplanting an 8.0 to 9.0 mm disc of donor endothelium and posterior stroma through a 5.0 mm incision, with sutures used only to close the incision.
	www.noorvision.com /weblog/archives/2006/05/_descemets_stri.html (334 words)

	The Dry Eye Zone :: Encyclopedia :: Descemet's membrane
		Home > A to Z > Descemet's membrane
		Fourth layer of the cornea (counting from the outside), between the stroma and the endothelium.
		Use of this website is subject to The Dry Eye Company's Terms of Use.
	www.dryeyezone.com /encyclopedia/descemets.html (69 words)

	eminem criminal (Site not responding. Last check: 2007-11-05)
		Conventions of bogbeasts (millonarios) with finno-ugrian costumes and voluminous adornments, zoning scouts (hunters) that are dissimilated for the Shires to klepper crowds away as they parade the backplanes, pillage away 98-issue spirits and send birthrates to other streetlamps.
		The 173d studies the cornea at descemets membrane and the Quadrovigesimal abortion.
		Besides the undersized lightheartedness, there are many other variants of anonymized ramdisks eclipsing from other embeddings of 3-tert-butyl-4-hydroxyanisole into the 3-sphere.
	und-wenn-ein-lied.theblogbargains.com /eminem-criminal.html (1221 words)

	Is preoperative ultrasound biomicroscopy for limbal dermoids helpful? (Site not responding. Last check: 2007-11-05)
		One case presented with strongly reflective areas inside the lesion with posterior sound attenuation.
		Descemets membrane could never be visualized beneath the dermoid because of strong sound attenuation inside the lesion.
		Incomplete stromal penetration of the dermoid was noticed in four cases.
	www.dog.org /2000/e-abstract_2000/589.html (257 words)

	relations : terminologie CISMeF
		It is a homogeneous structure composed of fine collagenous filaments, and slowly increases in thickness with age.
		Descemet Membranes; Descemet's Membrane; Descemets Membrane; Elastica Posterior, Lamina; Elastica Posteriors, Lamina; Lamina Elastica Posterior; Lamina Elastica Posteriors; Membrane, Descemet; Membrane, Descemet's; Membranes, Descemet; Posterior, Lamina E
		Recherche des ressources pour le motcle : membrane de descemet
	www.chu-rouen.fr /terminologiecismef/php/requete.php?motAChercher=relations&motCourant=membrane+de+descemet&Choix=motCle&motExact=.LABEL_MOT_EXACT.&compteur=1 (103 words)

	[No title] (Site not responding. Last check: 2007-11-05)
		An ideal approach would to use a bioengineered replacement tissue that replenished the pool of stem cells without endangering the corneal stem cells of the donor eye.
		Initially these cells were grown on contact lenses or glass slides, however amniotic membrane is a much better alternative.
		A limbal biopsy comprising approximately 2x2mm of tissue can be taken from the contralateral eye, cultured on amniotic membrane in the appropriate media and then transplanted onto the corneal surface after resecting the corneal pannus.
	www.chaithanya.org /php/displayContent.php3?link_id=48 (2770 words)

	All India Ophthalmological Society - India's Biggest Ophthalmic Organisation (Site not responding. Last check: 2007-11-05)
		Comparative evaluation of conjunctival autograft and amniotic membrane graft in treatment of recurrent pterygium.
		Outcome and indications of amniotic membrane transplantation for ocular surface disorders.
		Amniotic membrane transplantation in cases of impending corneal perforation.
	www.aios.org /proceed2003/proceedings.htm (5194 words)

	Granulomatous inflammation in acanthamoeba keratitis: An immunohistochemical study of five cases and review of ...
		In addition, the deeper stroma and the region around Descemets membrane showed a few aggregates of epitheloid cells, lymphocytes and multinucleated giant cells [Figure - 7].
		[27] Though the clinical implications of this type of inflammation is not clearly documented, it has been suggested that granulomatous inflammation around Descemets membrane can be identified clinically and should be considered as an indication for penetrating keratoplasty in herpes stromal keratitis.
		Herpes simplex stromal and endothelial keratitis: Granulomatous cell reaction at the level of Descemet's membrane, the stroma and Bowman's layer.
	www.ijmm.org /article.asp?issn=0255-0857;year=2005;volume=23;issue=4;spage=231;epage=238;aulast=Vemuganti (4199 words)

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