ocular prosthesis

眼假体
  • 文章类型: Case Reports
    眼或眼假体的构造可能具有挑战性,因为它是一种美容设备。它需要牙医和颌面技术人员之间的良好沟通。施工过程通常需要多次预约,其中涉及至少四次从眼睛印模开始到插入假体。本文将概述临床步骤,并提出将预约次数由4次减少至3次的临床技术,这对病人和医生都有好处。
    Construction of an ocular or eye prosthesis can be challenging, as it is a cosmetic device. It needs good communication between dentists and maxillofacial technicians. The construction process normally requires multiple appointments, which involve at least four visits starting with ocular impression to insertion of the prosthesis. This article will outline the clinical step and propose a clinical technique to reduce the number of appointments from four to three appointments, which would benefit both the patient and practitioner.
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  • 文章类型: Case Reports
    背景:结膜结膜炎(LC)是I型纤溶酶原缺乏症(T1PD;OMIM#217090)的最常见临床表现,其特征在于在结膜上形成假膜(由于纤维蛋白的沉积),导致进行性视力丧失。在过去的时代,LC患者接受手术治疗,局部抗炎,细胞抑制剂,和效果有限的全身性免疫抑制药物(血液108:3021-3026,2006,眼科129:955-957,2022,SurvOthalmo148:369-388,2003,血液131:1301-1310,2018)。手术还可以触发膜的发育,如在需要眼假体的患者中观察到的(SurvOthalmol48:369-388,2003)。用局部纯化的纤溶酶原治疗用于防止假膜形成(血液108:3021-3026,2006,眼科129:955-957,2022)。
    方法:我们介绍了一个16岁女孩患有严重左眼累及的LC的病例。我们报告了使用局部纤溶酶原滴眼液前后患者的临床状况,并描述了治疗方案,从而可以进行假膜减缩手术以及随后使用眼假体进行美学康复。
    结论:患者对局部纤溶酶原表现出进行性反应,在12年的随访中完全没有假膜形成,尽管使用了眼假体。
    BACKGROUND: Ligneous Conjunctivitis (LC) is the most common clinical manifestation of Type I Plasminogen deficiency (T1PD; OMIM# 217090), and it is characterized by the formation of pseudomembranes (due to deposition of fibrin) on the conjunctivae leading to progressive vision loss. In past times, patients with LC were treated with surgery, topical anti-inflammatory, cytostatic agents, and systemic immunosuppressive drugs with limited results (Blood 108:3021-3026, 2006, Ophthalmology 129:955-957, 2022, Surv Ophthalmol 48:369-388, 2003, Blood 131:1301-1310, 2018). The surgery can also trigger the development of membranes, as observed in patients needing ocular prosthesis (Surv Ophthalmol 48:369-388, 2003). Treatment with topical purified plasminogen is used to prevent pseudomembranes formation (Blood 108:3021-3026, 2006, Ophthalmology 129:955-957, 2022).
    METHODS: We present the case of a sixteen-year-old girl with LC with severe left eye involvement. We reported the clinical conditions of the patient before and after the use of topical plasminogen eye drops and described the treatment schedule allowing the surgical procedure for the pseudomembranes debulking and the subsequent use of ocular prosthesis for aesthetic rehabilitation.
    CONCLUSIONS: The patient showed a progressive response to the topical plasminogen, with a complete absence of pseudomembrane formation at a twelve-year follow-up, despite using an ocular prosthesis.
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  • 文章类型: Case Reports
    本病例系列报告了定制人工眼修复过程中面临的临床挑战。这些案例中的每一个都涉及制作眼部印模以改善眼部假体的固位和支撑的挑战,并提出了巩膜轮廓在克服眼部美容缺陷方面的重要性。此外,巩膜蜡图案的评价,进一步讨论了眼部康复中的虹膜定位方法和巩膜表征方法。
    This case series reports on clinical challenges faced during the rehabilitation of custom ocular prosthesis. Each of these cases relate the challenges of making ocular impressions for an improved retention and support of ocular prosthesis and presents the significance of scleral contouring in overcoming cosmetic defects of the eye. In addition, evaluation of scleral wax pattern, methods of iris location and scleral characterization methods in ocular rehabilitation are further discussed.
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  • 文章类型: Case Reports
    UNASSIGNED:报告使用脐带(UC)冷冻保存的羊膜重建裂开的伤口,并具有增加眼眶容积的额外能力,扩大上下穹窿,改善盲人内脏后的宇宙,痛苦,萎缩性,下垂的眼睛凹陷。
    未经证实:患者在去内脏后出现结膜伤口裂开,但未暴露植入物。一个月后,用UC进行重建以覆盖缺损,增加轨道体积,并扩大眼眶孔,以允许放置带有上唇的大型眼假体以提高上下垂。术后,第六周,插座健康,地球仪运动良好。在第七周,眼假体的大小和安装。在第八个月,承窝的结构完整性保持着深的穹窿,患者具有出色的美容效果,具有自然的外观和假眼的运动。
    UASSIGNED:这个案例突出了UC移植物在增加软组织体积方面的成功应用,恢复插座结构完整性,增加插座体积,并在去内脏后获得良好的美容效果和眼部运动。
    UNASSIGNED: To report the use of cryopreserved amniotic membrane from the umbilical cord (UC) in the reconstruction of a dehisced wound with the additional ability to increase orbital volume, expand superior and inferior fornices, and improve cosmesis following evisceration of a blind, painful, atrophic, sunken eye with ptosis.
    UNASSIGNED: Patient developed conjunctival wound dehiscence without implant exposure following evisceration. One month later, reconstruction was performed with UC to cover the defect, increase the orbital volume, and expand orbital fornices to allow placement of a large ocular prosthesis with superior lip for ptosis elevation. Post-operatively, at the 6th week, the socket was healthy and the globe had good movement. At the 7th week, the ocular prosthesis was sized and fitted. At the 8th month, the structural integrity of the socket was maintained with deep fornices, and the patient had excellent cosmetic result with natural appearance and movement of the prosthetic eye.
    UNASSIGNED: This case highlights the successful utilization of UC graft to augment soft tissue volume, restore socket structural integrity and increase socket volume, and achieve good cosmesis and ocular motility following evisceration.
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  • 文章类型: Case Reports
    背景:两名患者在其工业工作场所因生锈的金属弹丸而眼部受伤。为了防止致命的感染,所述伤害导致他们的眼睛因摘除内脏手术而丧失。
    方法:第一种情况,二十几岁的男人,手术后立即接受了原药治疗,并在2个月内开始了假体治疗。第二种情况,一个四十多岁的男人,10年后开始修复治疗.根据常规方案制造和更换最终定制的眼假体。
    结果:关于假体的问题,有足够的保留,两种情况下的美学效果和对眼外运动和治疗的稳定性均被认为是成功的.然而,随访显示病例1明显的假眼运动,在某种程度上模仿了它的同伴自然眼睛的生理运动。病例1更好地适应了他的假体,而病例2仍在调整,几乎没有生理运动。
    结论:应尽早开始假肢康复,以获得最佳的康复效果。
    BACKGROUND: Two patients received ocular injuries from rusted metallic projectiles at their industrial workplaces. Said injuries resulted in the loss of their eyes by evisceration surgeries to prevent fatal infections.
    METHODS: The first case, a man in his twenties, received a stock conformer immediately after surgery and started prosthetic therapy within 2 months. The second case, a man in his forties, started prosthetic therapy after 10 years. Definitive custom ocular prostheses were fabricated and relined according to conventional protocol.
    RESULTS: On issue of the prosthesis, there was adequate retention, aesthetics and stability to extra-ocular movements and treatment was considered successful for both cases. However, follow-ups showed noticeable prosthetic eye movements for case 1 which, to some extent mimicked the physiologic movement of its fellow natural eye. Case 1 adjusted to his prosthesis better while case 2 was still adjusting with little to no physiologic movement.
    CONCLUSIONS: Prosthetic rehabilitation should be started as early as possible to obtain optimum rehabilitative results.
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    文章类型: Case Reports
    Plexiform neurofibroma is a presentation of neurofibromatosis type 1 (NF1) which can cause great facial deformities. Treatment rarely has a healing effect, so the surgical approach is aimed at improving esthetics and function. It requires a cross-disciplinary approach and typically needs multi-stage surgery. This is the case of a 16-year-old male patient with NF1 presenting with left periorbital and malar facial plexiform neurofibroma with slow-growth intraconal and extraconal invasion. He presented at the plastic surgery consultation for facial soft tissue deformity correction. Removal was performed using an esthetic subunit approach, with canthopexy and orbital cavity reconstruction, resulting in facial region symmetrization. This allowed for remarkable esthetic and functional improvement, facilitating ocular prosthesis adaptation. The subsequent use of selumetinib allowed the lesion to be stabilized.
    Los neurofibromas plexiformes son una forma de presentación de la neurofibromatosis tipo 1 (NF1) que pueden originar grandes deformaciones faciales. El tratamiento de estas tumoraciones casi nunca es curativo, el abordaje quirúrgico tiene por objetivo mejorar la estética y la función. Requiere un abordaje multidisciplinar y suele necesitar cirugía por etapas. Se presenta el caso de un paciente varón con NF1 que presenta un neurofibroma plexiforme facial periorbitario y malar izquierdo con invasión intra y extraconal de crecimiento lento. Acude con 16 años a la consulta de cirugía plástica para corrección de las deformidades faciales de partes blandas. Se realiza exéresis mediante abordaje por subunidades estéticas, realizando cantopexia y reconstrucción de la cavidad orbitaria, resultando en una simetrización de la región facial. Con ello se obtiene una notable mejoría estética y funcional, facilitando la adaptación de la prótesis ocular. El uso posterior de selumetinib ha permitido estabilizar la lesión.
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  • 文章类型: Case Reports
    Necrosis resulting from mechanical local factors can be seen in patients with granulomatosis with polyangiitis (GPA) even in remission. GPA can cause serious morbidity even when limited. An ocular prosthesis that increases inflammation and damages local circulation should be used very carefully in such patients. In this article, we report a 68-year-old male patient who was diagnosed with localized GPA 11 years ago and referred to our clinic with the complaint of displacement of an ocular prosthesis inside the nose and epistaxis. Four years ago, the left eye was enucleated because of pain and vision loss. Two months after the enucleation, the patient began to use an ocular prosthesis. Orbital medial wall destruction developed while the patient was receiving maintenance therapy that consisted of cyclophosphamide (150 mg/day) plus prednisolone (32 mg). When the ocular prosthesis was displaced in the nasal cavity, the prosthesis was first removed and the patient was clinically stabilized. Later, orbital wall reconstruction was performed at another center.
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  • 文章类型: Case Reports
    BACKGROUND: The lack of an eye has an immediate and long-term impact on a patient\'s life.
    OBJECTIVE: The aim of this study is to show a case of prosthetic rehabilitation of an eyeball.
    METHODS: Male patient, 60 years old, sought care at the Oral Oncology Center of the São Paulo State University \"Júlio de Mesquita Filho\", for the rehabilitation of the orbital cavity with an acrylic eye prosthesis. This prosthesis was made with thermopolymerizable acrylic resin and hand painted iris with oil paint on cardboard. The prosthesis was installed after finishing and polishing and the hygiene and general care instructions were explained.
    CONCLUSIONS: In the present case, the patient was satisfied with the aesthetics and comfort of the prosthesis, which demonstrates the success of the treatment.
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  • 文章类型: Case Reports
    眼睛的丧失可能是由癌症引起的,创伤,或先天性缺陷。失去眼睛会产生功能,审美,个人和职业生活中的心理缺陷。眼部缺陷的康复可以通过用热固化聚甲基丙烯酸甲酯制造的定制眼部假体来完成。定制的假体提供了更好的配合,更舒适的使用和提供更好的美容效果比股票假体。本文的主要目的是描述一种使用数码相机制作的患者虹膜数码照片进行定制的新技术,以给患者带来出色的美容效果。
    Loss of an eye can be caused by cancer, trauma, or congenital defects. A loss of eye creates functional, esthetic, and psychological lacunae in individual\'s personal and professional life. Rehabilitation of ocular defect can be done by a custom ocular prosthesis fabricated with heat cure polymethylmethacrylate. The custom-made prosthesis provides a better fit, is more comfortable to use and gives better cosmetic results than a stock prosthesis. The main objective of this article is to describe a new technique of customization using digital photograph of the patient\'s iris made using a digital camera to give excellent cosmetic results to the patient.
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  • 文章类型: Case Reports
    Exenteration surgery greatly affects a person in terms of function, esthetics, and psychological trauma. In such cases, restoration by silicone orbital prosthesis is a well-accepted treatment option. However, this is a difficult task, necessitating personalized design of method for each patient. This case report describes the technique for fabrication of a silicone orbital prosthesis for a male patient with left orbital defect due to exenteration of a Grade 3 squamous cell carcinoma of the left eye and surrounding tissues. The patient was delivered with a satisfactory silicone orbital prosthesis having good retention and finish. Multidisciplinary management and team approach are crucial in providing precise and effective rehabilitation for improving the patient\'s quality of life and help them return to their normal social life.
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