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1 General aspects (0)   1.1 Epidemiology (14)   1.2 Population genetics (0)   1.3 Pathogenesis (1)   1.4 Quality of life (17)   1.5 Glaucomas as cause of blindness (10)   1.6 Prevention and screening (15) 2 Anatomical structures in glaucoma (0)   2.1 Conjunctiva (7)   2.2 Cornea (37)   2.3 Sclera (5)   2.4 Anterior chamber angle (9)   2.5 Meshwork (0)     2.5.1 Trabecular meshwork (15)     2.5.2 Schlemms canal (3)     2.5.3 Scleral outlet channels (0)   2.6 Aqueous humor dynamics (0)     2.6.1 Production (1)     2.6.2 Outflow (0)       2.6.2.1 Trabecular meshwork (1)       2.6.2.2 Uveoscleral (0)     2.6.3 Compostion (6)   2.7 Episcleral veins and venous pressure (0)   2.8 Iris (3)   2.9 Ciliary body (7)   2.10 Lens (1)   2.11 Vitreous body (1)   2.12 Choroid, peripapillary choroid, peripapillary atrophy (9)   2.13 Retina and retinal nerve fibre layer (38)   2.14 Optic disc (28)   2.15 Optic nerve (3)   2.16 Chiasma and retrochiasmal central nervous system (14)   2.17 Stem cells (6)   2.20 Other (0) 3 Laboratory methods (0)   3.1 Microscopy (0)   3.2 Electron microscopy (1)   3.3 Immunohistochemistry (1)   3.4 Molecular genetics (0)     3.4.1 Linkage studies (0)     3.4.2 Gene studies (16)   3.5 Molecular biology incl. 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pharmacoeconomics (15) 15 Miscellaneous (27)

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Abstract #84855 Published in IGR 21-1

Prevention of Ocular Tenon Adhesion to Sclera by a PDMAA Polymer to Improve Results after Glaucoma Surgery

Martin G; Lübke J; Schefold S; Jordan JF; Schlunck G; Reinhard T; Kanokwijitsilp T; Prucker O; Rühe J; Anton A
Macromolecular rapid communications 2020; 41: e1900352

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The authors describe a process that may eventually reduce the risk of scar formation after glaucoma surgery. For this, a thin hydrogel coating is photochemically generated and linked to the sclera surface at the surgical site. This coating is generated from a photoreactive prepolymer containing anthraquinone groups, which is administered as a thin pad to the sclera surface. Short UV irradiation leads to a reaction of the photogroups with neighboring chains via C-H insertion crosslinking, thus transforming the precursor polymer into a hydrogel. Simultaneously, a reaction between the photogroups and the underlying sclera tissue occurs, so that the hydrogel patch becomes covalently linked to the tissue. The authors show that the resulting thin coating is strongly cell repellent and hinders tenon fibroblasts to form tenon tissue at the site of the coating and is suitable for inclusion into a surgical procedure.

Eye Center, Medical Center - Faculty of Medicine, University of Freiburg, Killianstraße 5, 79106, Freiburg, Germany.

Full article

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Classification:

12.8.10 Woundhealing antifibrosis (Part of: 12 Surgical treatment > 12.8 Filtering surgery)

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