Osteoodonto keratoprosthesis american academy of ophthalmology. To report a successful osteoodonto keratoprosthesis. Editor,we wish to point out some inaccuracies portrayed by the media on osteo odonto keratoprosthesis ookp surgery offered. Ookp procedure in a case of end stage of corneal blindness due to stevensjohnson syndrome. This was not true as the technique of ookp was invented by the late benedetto. Osteoodontokeratoprosthesis ookp is a technique used to replace damaged corneae in blind patients for whom cadaveric corneal transplantation is not an option. It is an operation that restores vision in the most severe cases of corneal scarring causing secondary blindness. To report a successful osteo odonto keratoprosthesis ookp procedure in a case of end stage of corneal blindness due to stevensjohnson syndrome sjs. We report anatomical and visual outcomes of this combined surgery in our institution. Msn encartas definition of osteo odonto keratoprosthesis. Methodswe describe a modification of the osteoodontokerat. An artificial cornea used as a last resource to restore vision to people whose corneas have been rendered opaque by dryeye disease or chemical injury that precludes successful corneal grafting. Osteoodontokeratoprosthesis ookp instructional video.
Editor,we wish to point out some inaccuracies portrayed by the media on osteoodontokeratoprosthesis ookp surgery offered at our hospital. Osteoodontokeratoprosthesis ookp surgery is a technique used to replace damaged. Defintion keratoprosthesis is a surgical procedure where a severely damaged or diseased cornea is replaced with an artificial cornea to restore useful vision or to make the eye comfortable in painful keratopathy. The ubr university of brighton repository is a central institutional repository that records the work of the universitys researchers. Modified osteoodontokeratoprosthesis for treatment of. Wendy hamriding talks about osteo odonto keratoprothesis and how she can see for the first time in 2 years. Jun 27, 2012 the revolutionary osteoodontokeratoprosthesis procedure, illustrated by stephen f. Abstract the osteoodontokeratoprosthesis ookp, although described over 40 years ago, remains the keratoprosthesis of choice for endstage corneal blindness not amenable to penetrating keratoplasty. It is an open access, organic resource and is freely available via the web to researchers worldwide. Full text is available as a scanned copy of the original print version. A new vision through combined osteoodontokeratoplasty. Osteoodontokeratoprosthesis ookp or toothineye surgery, the original technique was described by benedetto strampelli nearly fifty years ago, using the patients own tooth root and alveolar bone as vital support to an optical cylinder, for patients with the most severe type of corneal and ocular surface diseases, for whom other treatments would not be useful. Article information, pdf download for chondrokeratoprosthesis.
Apr 30, 2016 osteo odonto keratoprosthesis ookp is a surgical procedure for replacing severe damaged corneas when corneal transplant is impossible and giving sight back. This necessitated a carrier for the artificial cornea that would reduce the incidence of complications encountered with the other types of keratoprosthesis namely extrusion, foreign body reaction and risk of infection liu et al. To report the results of osteo odonto keratoprosthesis ookp surgery in patients who sustained severe chemical and thermal injuries. The boston keratoprosthesis was developed for patients with visual potential that have a high likelihood failure with traditional corneal transplantation.
Osteo odonto keratoprosthesis ookp is often the sole and last treatment option for visual rehabilitation in severe corneal blindness. Ookp is a complex artificial corneakeratoprosthetic surgical procedure in which a dental root lamina and buccal mucosal graft are used to. Final appearance of an osteoodonto keratoprosthesis. Med j malaysia vol 66 no 4 october 2011 369 osteoodontokeratoprosthesis for endstage cornea blindness h s wong, k y then, r ramli department of ophthalmology, department of oral and maxillofacial, university kebangsaan malaysia medical centre, jalan. To analyse the functional and anatomical results of keratoprosthesis using tooth and tibial autograft. Mookp and boston keratoprosthesis are equally advised at our center with the choice of the keratoprosthesis depending on the indication, moistness of the eye, lid condition and state of dental hygiene. It is a specialist surgical intervention that can restore meaningful vision to patients suffering from end stage corneal blindness, and for whom conventional corneal surgery is not possible for reasons such as severe dry eyes causing heavy scarring of the cornea. The osteoodontokeratoprosthesis ookp stevens johnson. Modified osteoodontokeratoprosthesis mookp what is it.
Endoscopic cyclophotocoagulation for refractory glaucoma. Keratoprosthesis ookp, which is a two stage procedure whereby dental and buccal tissue is auto transplanted into eye to serve as a synthetic cornea. Osteonodontokeratoprosthesis surgery british journal of. Summary the osteo odonto keratoprosthesis is the procedure of choice for rehabilitation of corneal blindness for endstage ocular surface disease, serving a completely different patient group to. Get a printable copy pdf file of the complete article 564k, or click on a page image below to browse page by page. The operation, known as osteo odonto keratoprosthesis, was recently performed twice at sydney eye hospital, with one of the procedures being carried out on 72yearold goulburn man john ings. Of these, the boston keratoprosthesis and osteo odonto keratoprosthesis ookp are the two most commonly used keratoprostheses. Since the introduction of kpro over 200 years ago, numerous designs and techniques have been suggested. Links to pubmed are also available for selected references. Summary the osteo odonto keratoprosthesis is the procedure of choice for rehabilitation of corneal blindness for endstage ocular surface disease, serving a completely different patient group to the boston type 1 kpro. Med j malaysia vol 66 no 4 october 2011 369 osteo odonto keratoprosthesis for endstage cornea blindness h s wong, k y then, r ramli department of ophthalmology, department of oral and maxillofacial, university kebangsaan malaysia medical centre, jalan.
Osteoodonto keratoprosthesis is one of the most successful forms of keratoprosthesis surgery for endstage corneal and ocular surface disease. The role of visual evoked potential and electroretinography. This article is within the scope of wikiproject medicine, which recommends that medicinerelated articles follow the manual of style for medicinerelated articles and that biomedical information in any article use highquality medical sources. The lens may be implanted after normal corneal grafting has failed. Sir, osteo odonto keratoprosthesis ookp, also known as tooth in eye surgery, is a unique form of artificial cornea surgery to restore. Corneal diseases are among the major causes of global blindness, secondary to cataract. Osteo odonto keratoprosthesis ookp also known as tooth in eye surgery is a medical procedure to restore vision in the most severe cases of corneal and ocular surface patients. This is a noncomparative retrospective case series of 14 patients who underwent ookp surgery between 2001 and 2016 at the sussex eye hospital, brighton, uk, because of severe chemical and thermal injuries. Since the first performance of osteo odonto keratoprosthesis ookp surgery,1, 2 the technique has been modified and used in many centers around the world. Aug 24, 2016 keratoprosthesis kpro has revolutionized the treatment of patients with severe corneal diseases who do not benefit from allogeneic corneal transplantation. Longterm functional and anatomical results of osteo and. Osteoodontokeratoprosthesis in severe thermal and chemical. Osteoodonto keratoprosthesis ookp for patients with.
We describe a 35yearold indian woman, a known case of sjs with bilateral. Osteoodontokeratoprosthesis ookp is a surgical procedure for replacing severe damaged corneas when corneal transplant is impossible and giving sight back. The osteoodontokeratoprosthesis ookp, although described over 40 years ago, remains the keratoprosthesis of choice for endstage corneal blindness not amenable to penetrating keratoplasty. In 2016, dr webber became the first oral and maxillofacial surgeon in australia, and the southern hemisphere, to perform the surgical procedure known as osteo odonto keratoprosthesisookp or tooth in eye surgery. Initial results showed good biointegration of the fibronectincoated haptic, cell free transparency of the optic and suitability for fibronectincoated haptic, cell free. We implanted a osteo odonto keratoprosthesis consisting of a pmmacylinder of 8 mm length and of 3 mm respectively 3,5 mm in diameter and a root of a tooth of the patients in their cornea covered with buccal mucosa. Comparison of candidate materials for a synthetic osteoodonto. The implants are well incorporated with a visual acuity between 0. It was developed some 40 years ago in italy and uses the patients own tooth root and alveolar bone to support an optical cylinder.
The keratoprosthesis with the best success rate till date is the osteo odonto keratoprosthesis ookp. The procedure resulted in good iop control in a patient with stevensjohnson syndrome. There are, however, some patients who are not amenable to such transplantation. This is drilled and a plastic lens cemented into the hole. Until now there has been no educational video for this complicated procedure. Osteoodontokeratoprosthesis definition of osteoodonto. In 1996, we performed our first ookp operation that was televised as a bbc tomorrows world programme. Apr 18, 2011 to report a successful osteo odonto keratoprosthesis ookp procedure in a case of end stage of corneal blindness due to stevensjohnson syndrome sjs.
Preservativefree medications are usually preferred because of the presence of contact lens. Modified osteoodontokeratoprosthesis treatment mookp in. Endoscopic cyclophotocoagulation for refractory glaucoma after ookp. Osteoodontokeratoprosthesis procedure, artwork by stephen f. Osteoodonto keratoprosthesis in stevensjohnson syndrome. Osteoodontokeratoprosthesis operation restors vision huliq. In the programme, the operation was described as new. Indications for temporary keratoprosthesis, anatomical and. B, removal of a corneal central fullthickness disc of a diameter corresponding to the polymethyl methacrylate optical cylinders intraocular diameter. Pdf osteoodonto keratoprosthesis in stevensjohnson. These figures are far below the survival rates of the osteo odonto keratoprosthesis ookp when deployed in similar patients with severe end stage ocular. The revolutionary osteo odonto keratoprosthesis procedure, illustrated by stephen f. Osteoodontokeratoprosthesis ookp is a medical procedure to restore vision in the most severe cases of corneal and ocular surface patients. Cadaveric corneal transplantation is generally successful for reversing corneal blindness.
Borderline heterocyclic chemistry joule pdf download. Osteoodontokeratoprosthesis a maxillofacial perspective. A, removal of the cheek mucosal graft covering the cornea and the flieringa ring. Osteoodontokeratoprosthesis for endstage cornea blindness. You have free access to this content the role of visual evoked potential and electroretinography in the preoperative assessment of osteokeratoprosthesis or osteoodontokeratoprosthesis surgery. Osteo odonto keratoprosthesis ookp gold coast oral. The osteoodontokeratoprosthesis ookp, although described over 40 years ago, remains the keratoprosthesis of choice for endstage. D12shssc 2014 nhs standard contract for osteoodonto. The window of the soul is our eye and the window of the eye is cornea. Modified osteoodontokeratoprosthesis technique step 2.