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https://www.readbyqxmd.com/read/29243737/clinical-outcome-of-descemet-stripping-automated-endothelial-keratoplasty-in-18-cases-with-iridocorneal-endothelial-syndrome
#1
M Ao, Y Feng, G Xiao, Y Xu, J Hong
PurposeTo evaluate the clinical outcome of Descemet stripping automated endothelial keratoplasty (DSAEK) in eyes with iridocorneal endothelial (ICE) syndrome.Patients and methodsA retrospective case series study was conducted. Eighteen consecutive Chinese patients with 20 DSAEK grafts were enrolled. Participants were evaluated by anterior segment optical coherence tomography and confocal microscopy. Postoperative complications, graft survival, endothelial cell counts, corneal thickness, and anterior chamber depth were analysed...
December 15, 2017: Eye
https://www.readbyqxmd.com/read/29242495/the-evolution-of-corneal-transplantation
#2
Tobias Röck, Johanna Landenberger, Matthias Bramkamp, Karl Ulrich Bartz-Schmidt, Daniel Röck
BACKGROUND The aim of this study was to investigate the evolution of surgical methods in and leading indications for corneal transplantation from 2005 to 2016. MATERIAL AND METHODS Data from the corneal graft waiting list and from all keratoplasties carried out between 2005 and 2016 at the University Eye Hospital Tübingen were retrospectively evaluated. RESULTS A total of 1259 keratoplasties were performed between 2005 and 2016 at the University Eye Hospital Tübingen. The most common surgical indications for corneal transplantation were Fuchs endothelial corneal dystrophy (45...
December 15, 2017: Annals of Transplantation: Quarterly of the Polish Transplantation Society
https://www.readbyqxmd.com/read/29239906/nerve-growth-factor-changes-and-corneal-nerve-repair-after-keratoplasty
#3
Yueji Pan, Fang Liu, Xiaofeng Qi, Yuan Hu, Feihong Xu, Hui Jia
SIGNIFICANCE: Measured tear concentration of nerve growth factor is correlated with postoperative corneal reinnervation among patients who undergo keratoplasty. This may be a future therapeutic target for post-keratoplasty corneal nerve regeneration. PURPOSE: To determine the relationship between changes in the content of nerve growth factor (NGF) in tear fluid and corneal subepithelial nerve regeneration in patients after keratoplasty. METHODS: In this retrospective study, 30 eyes of 28 patients (15 males, 13 females; mean age 42...
December 13, 2017: Optometry and Vision Science: Official Publication of the American Academy of Optometry
https://www.readbyqxmd.com/read/29238735/post-keratoplasty-astigmatism-management-by-relaxing-incisions-a-systematic-review
#4
REVIEW
Gaëlle Ho Wang Yin, Louis Hoffart
Postoperative visual acuity can be limited by post-keratoplasty astigmatism, even with a clear corneal graft. Astigmatism management can be performed by selective suture removal, adjustment of sutures, optical correction, photorefractive procedures, wedge resection, intra-ocular lens implantation, intracorneal ring segments, relaxing incisions with or without compression sutures and repeated keratoplasty. Relaxing incisions can be made in the graft, graft-host interface or host cornea. Despite the unpredictability of the method because the flat and steep meridians are usually not orthogonal after penetrating keratoplasty, with asymmetric power distribution, all the studies showed an overall reduction of refractive, keratometric or topographic astigmatism, ranging from 30% to 72% with manual or femtosecond-assisted techniques...
2017: Eye and Vision (London, England)
https://www.readbyqxmd.com/read/29237925/corneal-endothelial-cell-loss-in-femtosecond-laser-assisted-descemet-s-stripping-automated-endothelial-keratoplasty-a-12-month-follow-up-study
#5
Yun Feng, Hong-Qiang Qu, Jing Ren, Philipp Prahs, Jing Hong
BACKGROUND: Descemet's stripping automated endothelial keratoplasty (DSAEK) surgery offers a more standardized approach and reliable method to create corneal grafts with an instrument such as a microkeratome. With the development of Descemet's membrane endothelial keratoplasty, an excellent clinical outcome is seen in the treatment of corneal endothelial dysfunctions, which indicates that thinner corneal graft results in better clinical outcome. With the recent development of the femtosecond laser, ultrathin corneal graft preparation has become possible...
December 20, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/29234234/mini-descemet-membrane-stripping-m-dmes-in-patients-with-fuchs-endothelial-dystrophy-a-new-method
#6
George D Kymionis, Dimitrios A Liakopoulos, Michael A Grentzelos, Irini Naoumidi, Georgios A Kontadakis, Konstantinos I Tsoulnaras, Myrsini K Petrelli
We present two cases with focal corneal edema due to Fuchs' endothelial dystrophy that were successfully treated with mini Descemet membrane stripping (m-DMES) (diameter of 3-4 mm; at the area of preexisting focal corneal edema) without endothelial replacement during cataract surgery. Specular microscopy demonstrated Fuchs' endothelial dystrophy and histopathologic evaluation confirmed the diagnosis. Anterior segment optical coherence tomography and confocal microscopy were used for the evaluation of the corneal tissue recovery course after the surgical procedure...
October 2017: Saudi Journal of Ophthalmology: Official Journal of the Saudi Ophthalmological Society
https://www.readbyqxmd.com/read/29234230/traumatic-eye-ball-luxation-a-stepwise-approach-to-globe-salvage
#7
Himika Gupta, Srivalli Natarajan, Sushrut Vaidya, Shipra Gupta, Dinesh Shah, Raj Merchant, Shrikant Deshpande
Craniofacial trauma is often associated with orbital and ocular injuries. We report a case of a 21-year-old male with motor vehicular accident, orbital roof blow-in fracture, cerebrospinal fluid (CSF) leak, and left sided globe luxation with corneal abrasion and complete conjunctival denuding. The patient was managed by a multispeciality team and the eyeball was protected by amniotic membrane graft (AMG) biological dressing with novel use of inverted sterile metallic bowl as mechanical protection till the patient stabilized...
October 2017: Saudi Journal of Ophthalmology: Official Journal of the Saudi Ophthalmological Society
https://www.readbyqxmd.com/read/29230976/efficacy-and-safety-of-a-large-conjunctival-autograft-for-recurrent-pterygium
#8
Jun Seok Lee, Sang Won Ha, Sung Yu, Gwang Ja Lee, Young Jeung Park
PURPOSE: To evaluate the efficacy and safety of pterygium excision using a large conjunctival autograft for the treatment of recurrent pterygium. METHODS: The medical records of 120 patients (126 eyes) with recurrent pterygium were reviewed. For each affected eye, pterygium excision with a large conjunctival autograft was performed. The graft was harvested from the superior bulbar area and measured more than 8 × 10 mm in size. Only patients who completed at least six months of follow-up were included...
December 2017: Korean Journal of Ophthalmology: KJO
https://www.readbyqxmd.com/read/29227341/characterization-of-corneal-endothelial-injury-during-penetrating-keratoplasty
#9
Thomas A Vo, Zack Oakey, Sumit Garg
PURPOSE: To characterize corneal endothelial injury during penetrating keratoplasty in a controlled wet laboratory environment using human tissue. To identify potential areas or steps within surgery in which insult to the corneal endothelium may be most affected by trauma during routine penetrating keratoplasty. METHODS: Human donor corneas (n = 12) with intact endothelium underwent experimental penetrating keratoplasty. Endothelial injury was evaluated after each suture quartile using trypan staining, a validated modality for assessing endothelial injury...
December 8, 2017: Cornea
https://www.readbyqxmd.com/read/29227340/corneal-transplantation-in-new-zealand-2000-to-2009
#10
Alexandra Z Crawford, Thiyagaraj Krishnan, Susan E Ormonde, Dipika V Patel, Charles N McGhee
PURPOSE: To quantify all minor/major adverse events in a large cohort of consecutive corneal transplants, particularly in respect to penetrating keratoplasty (PKP). METHODS: All corneal transplants in the Auckland region over a 10-year period (2000-2009) were identified through the New Zealand National Eye Bank. Relevant clinical records were assessed for this period and 2 years after. All intraoperative or postoperative adverse events/complications, visual acuity, and graft outcomes were recorded...
December 8, 2017: Cornea
https://www.readbyqxmd.com/read/29219957/anterior-chamber-lens-implantation-in-vitrectomised-eyes
#11
G S Negretti, M Lai, P Petrou, R Walker, D Charteris
PurposeTo investigate long-term visual acuity (VA) outcomes and complication rates in vitrectomised eyes undergoing anterior chamber intraocular lens (ACIOL) insertion.Patients and methodsA single-centre, retrospective case series including all patients who had undergone ACIOL placement at the time of vitrectomy surgery or having had previous vitrectomy, between January 2007 and January 2013. Patients were identified using an electronic database and paper casefile notes were analysed for all patients. Patients were excluded if they had <3 months follow-up...
December 8, 2017: Eye
https://www.readbyqxmd.com/read/29218212/heads-up-descemet-membrane-endothelial-keratoplasty-performed-using-a-3d-visualization-system
#12
Virgilio Galvis, Ruben D Berrospi, Juan D Arias, Alejandro Tello, Julio C Bernal
A 68-year-old female underwent Descemet membrane endothelial keratoplasty (DMEK) in her right eye using a 3D visualization system with the surgeon looking directly to a digital screen instead of through the eyepieces of the surgical microscope. The procedure was uneventful. Five weeks after the surgery the DMEK graft was in good position and totally adhered, the cornea clear and uncorrected distance visual acuity 20/50. This is the first reported case of DMEK using 3D augmented reality visualization system...
November 2017: Journal of Surgical Case Reports
https://www.readbyqxmd.com/read/29215393/therapeutic-effects-of-lamellar-keratoplasty-on-terrien-marginal-degeneration
#13
Lin Li, Hualei Zhai, Lixin Xie, Jun Cheng, Weiwei Liu
PURPOSE: To evaluate the therapeutic effects of lamellar keratoplasty (LK) on Terrien marginal degeneration (TMD). METHODS: Retrospective interventional case series. Medical records of 63 patients (71 eyes) who received LK for TMD at Qingdao Eye Hospital, Shandong Eye Institute from December 1995 to March 2014 were reviewed. A total of 56 eyes were treated with partial LK and 15 eyes with total LK. Complications, visual acuity recovery, and graft status were evaluated...
December 5, 2017: Cornea
https://www.readbyqxmd.com/read/29211700/effect-of-histocompatibility-y-antigen-matching-on-graft-survival-in-primary-penetrating-keratoplasty
#14
Mi Jin Kim, Joo Hyun Kim, Hyun Sun Jeon, Won Ryang Wee, Joon Young Hyon
PURPOSE: To investigate the influence of histocompatibility Y (H-Y) antigen matching on corneal graft survival in primary penetrating keratoplasty (PK). METHODS: Medical records of patients who underwent primary PK at Seoul National University Bundang Hospital between June 2005 and October 2015 were retrospectively analyzed. The eyes were classified into 2 groups: H-Y-compatible (115 eyes) and H-Y-incompatible (23 eyes). The H-Y-compatible group included donor/recipient combinations of male/male (57 eyes), female/male (44 eyes), and female/female (14 eyes)...
January 2018: Cornea
https://www.readbyqxmd.com/read/29206654/descemet-membrane-endothelial-keratoplasty-and-glaucoma
#15
Marcus Ang, Chelvin C A Sng
PURPOSE OF REVIEW: The aim of this review is to describe the relationship between Descemet membrane endothelial keratoplasty (DMEK) and glaucoma. RECENT FINDINGS: Glaucoma after DMEK is a serious complication that may cause permanent visual loss, affect donor endothelial cells and graft survival. The mechanisms of raised intraocular pressure (IOP) after DMEK include reverse pupillary block in the early postoperative period, and steroid response in the late phase...
December 4, 2017: Current Opinion in Ophthalmology
https://www.readbyqxmd.com/read/29193851/survival-of-corneal-nerve-sheath-structures-in-organ-cultured-donor-corneas
#16
Virinder K Dhillon, Mohamed S Elalfy, Marco Messina, Mouhamed Al-Aqaba, Harminder S Dua
PURPOSE: To study the morphology of human corneal nerves in eye bank organ-cultured corneas and in corneal grafts post-transplantation. METHODS: Thirty-seven organ-cultured corneas were divided into: Group-A, anterior 300-400 μm of 20 corneas used for Descemets stripping endothelial keratoplasty, and Group-B, 17 full-thickness corneas unsuitable for transplantation. Corneas whole mounts were stained for nerves using acetylcholinesterase technique and examined by NanoZoomer digital pathology microscope...
November 29, 2017: Acta Ophthalmologica
https://www.readbyqxmd.com/read/29188095/comparison-of-four-methods-of-surface-roughness-assessment-of-corneal-stromal-bed-after-lamellar-cutting
#17
Clotilde Jumelle, Alina Hamri, Gregory Egaud, Cyril Mauclair, Stephanie Reynaud, Virginie Dumas, Sandrine Pereira, Thibaud Garcin, Philippe Gain, Gilles Thuret
Corneal lamellar cutting with a blade or femtosecond laser (FSL) is commonly used during refractive surgery and corneal grafts. Surface roughness of the cutting plane influences postoperative visual acuity but is difficult to assess reliably. For the first time, we compared chromatic confocal microscopy (CCM) with scanning electron microscopy, atomic force microscopy (AFM) and focus-variation microscopy (FVM) to characterize surfaces of variable roughness after FSL cutting. The small area allowed by AFM hinders conclusive roughness analysis, especially with irregular cuts...
November 1, 2017: Biomedical Optics Express
https://www.readbyqxmd.com/read/29181306/effect-of-itraconazole-on-the-cornea-in-a-murine-suture-model-and-penetrating-keratoplasty-model
#18
Yang Kyung Cho, Eun Young Shin, Hironori Uehara, Balamurali Ambati
AIM: To investigate the anti-(lymph)angiogenic and/or anti-inflammatory effect of itraconazole in a corneal suture model and penetrating keratoplasty (PK) model. METHODS: Graft survival, corneal neovascularization, and corneal lymphangiogenesis were compared among itraconazole, amphotericin B, dexamethasone, phosphate buffered saline (PBS) and surgery-only groups following subconjunctival injection in mice that underwent PK and corneal suture. Immunohistochemical staining and analysis were performed in each group...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/29170188/tenon-patch-graft-for-corneal-fistula-a-rare-entity-treated-by-a-simple-technique
#19
Prafulla Kumar Maharana, Deepali Singhal, Pranita Sahay, Jeewan S Titiyal
A 50-year-old patient presented with dull aching pain with some discomfort in his right eye for the past 2 weeks. History revealed the patient had a past episode of infective keratitis managed medically in a local hospital. The last follow-up record suggested a diagnosis of healed keratitis with corneoiridic scar. On examination, the patient had visual acuity of hand movement and a corneoiridic scar of 7×7 mm with an inferotemporal translucent cystic area measuring 3×4 mm in size with underlying uveal tissue visible...
November 23, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/29158934/ocular-rosacea-causing-corneal-melt-in-an-african-american-patient-and-a-hispanic-patient
#20
Joanna S Saade, Bachir Abiad, Jonathan Jan, Dana Saadeh, James P McCulley, Jeremy Bartley
Purpose: To discuss two rare presentations of ocular rosacea in a Hispanic patient and an African American patient with unusual ocular manifestations. Case Report: Case  1: a 43-year-old Hispanic woman presented with right eye corneal perforation. Her prior medical history was significant for rosacea only, diagnosed clinically by a dermatologist. Her eye exam showed signs of bilateral ocular rosacea. An emergent full thickness tectonic corneal patch graft was done...
2017: Case Reports in Ophthalmological Medicine
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