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confocal cornea

Ting Wang, Muchen Dong, Yin Jiang, Shuting Wang, Weiyun Shi
PURPOSE: To observe the pathological changes in dendritic cells (DCs) and inflammatory cells in the corneal epithelium and endothelium using in vivo confocal microscopy during the management of herpetic endotheliitis. METHODS: A total of 110 eyes with herpetic endotheliitis were included. All patients were treated with antiviral agents combined with glucocorticoids. Changes in corneal edema were observed using slit-lamp microscopy and anterior segment optical coherence tomography...
March 14, 2018: Cornea
Pedro Arriola-Villalobos, Blanca Benito-Pascual, David Díaz-Valle, José M Benítez-Del-Castillo
PURPOSE: To report 2 cases of cornea verticillata (CV) after vandetanib treatment for medullary thyroid carcinoma (MTC). METHODS: In this retrospective interventional, case-report study, 2 patients who under vandetanib treatment for MTC were referred to our ophthalmology department because of vision complaints. Both subjects underwent a complete ophthalmologic examination, including confocal microscopy (CM) using the Heidelberg Retina Tomograph and Rostock Cornea Module...
March 6, 2018: Cornea
Yana Fu, Wuying Zhou, Wei Li, Xiaolei Lin, Qi Dai
RATIONALE: The incidence of cornea disorders after laser peripheral iridotomy (LPI) is extremely low. However, cornea Descemet membrane detachment (DMD) combined with corneal decompensation after LPI could still occur. PATIENT CONCERNS: A 69-year-old Chinese woman presented with persistent widespread corneal edema and inferior bullous lesions in her right eye for half a year. She had undergone LPI in both eyes 10 years ago for a prophylactic treatment. The patient received a detailed examination of vivo corneal confocal microscopy and sept-source optical coherence tomography (SS-OCT)...
March 2018: Medicine (Baltimore)
Yi-Chen Sun, Li-Chuan Yang, Fung-Rong Hu, Chung-Tien Lin, Yan-Ming Chen, Wei-Li Chen
OBJECTIVES: In vivo confocal microscopy was used to observe the morphological presentations and anatomical correlations between corneal neovascularization (NV) and intracorneal lipid deposition in a rabbit model of contact lens (CL)-induced lipid keratopathy secondary to corneal NV. METHODS: Rabbits were divided into 3 groups: (1) 8-week normal diet, (2) 8-week high-cholesterol diet, and (3) 4-week normal diet followed by 4-week high-cholesterol diet. Corneal NV was induced by closed-eye CL...
February 27, 2018: Eye & Contact Lens
Hakim Benkhatar, Ora Levy, Isabelle Goemaere, Vincent Borderie, Laurent Laroche, Nacim Bouheraoua
PURPOSE: We describe the first case of minimally invasive corneal neurotization with the great auricular nerve (GAN) to treat unilateral neurotrophic keratopathy. We assessed corneal sensation and reinnervation by esthesiometry and confocal microscopy over 12 months of follow-up, and we provide a detailed description of the surgical technique. METHODS: Corneal neurotization was successfully achieved with the ipsilateral GAN in a 58-year-old woman. Cochet-Bonnet esthesiometry and in vivo confocal microscopy were performed before and after corneal neurotization, to monitor the recovery of corneal sensation and corneal reinnervation by subbasal nerve fibers...
February 22, 2018: Cornea
Alise Kalteniece, Maryam Ferdousi, Ioannis Petropoulos, Shazli Azmi, Safwaan Adam, Hassan Fadavi, Andrew Marshall, Andrew J M Boulton, Nathan Efron, Catharina G Faber, Giuseppe Lauria, Handrean Soran, Rayaz A Malik
We assessed whether a measure of more distal corneal nerve fibre loss at the inferior whorl(IW) region is better than proximal measures of central corneal nerve damage in relation to the diagnosis of diabetic peripheral neuropathy(DPN), painful DPN and quality of life(QoL). Participants underwent detailed assessment of neuropathy, QoL using the SF36 questionnaire, pain visual analogue score(VAS), and corneal confocal microscopy(CCM). Corneal nerve fibre density (CNFD), branch density (CNBD) and length (CNFL) at the central cornea and inferior whorl length (IWL) and average(ANFL) and total(TNFL) nerve fibre length were compared in patients with and without DPN and between patients with and without painful DPN and in relation to QoL...
February 19, 2018: Scientific Reports
Gustavo S Figueiredo, Borja Salvador-Culla, Oliver J Baylis, Hardeep S Mudhar, Majlinda Lako, Francisco C Figueiredo
PURPOSE: To investigate the outcomes of penetrating keratoplasty (PKP) following autologous cultivated limbal epithelial stem cell transplantation (CLET). METHODS: A prospective, single centre, interventional cohort study investigating patients with unilateral total limbal stem cell deficiency (LSCD) treated with CLET who underwent PKP. Patients with confirmed corneal re-epithelialization > 6 months post-CLET, and with best-corrected visual acuity (BCVA) <0...
February 13, 2018: Stem Cells
S X Li, J T Wang, Y Jiang, X Wang, W Y Shi
Objective: To evaluate the efficacy of modified deep lamellar keratoplasty (DLKP) combined with antiviral medications for severe herpes necrotizing stromal keratitis. Methods: Retrospective case series study. Modified DLKP was performed in combination with antiviral medications in fifty patients (50 eyes) with severe necrotizing stromal keratitis, which was unresponsive to systemic and topical antiviral treatment for 1 week, at Shandong Eye Hospital. Before surgery, the operated eyes were examined using slit-lamp microscopy...
February 11, 2018: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
Miao He, He Jin, Hong He, Hui Ding, Wei Wang, Liangping Liu, Chi Zhang, Xingwu Zhong
PURPOSE: To evaluate the feasibility and safety of xenogeneic endokeratophakia in rhesus monkeys and to explore the effects of a concave lenticule on refractive power. METHODS: Three adult New Zealand white rabbits and 6 healthy rhesus monkeys were used. The xenogenic concave grafts were created from the rabbits using a modified small incision lenticule extraction technique; after being cryopreserved in glycerol for 1 week, the grafts were implanted into the monkey recipient corneas...
March 2018: Cornea
Raul Martin
Current corneal assessment technologies make the process of corneal evaluation extremely fast and simple, and several devices and technologies show signs that help in identification of different diseases thereby, helping in diagnosis, management, and follow-up of patients. The purpose of this review is to present and update readers on the evaluation of cornea and ocular surface. This first part reviews a description of slit lamp biomicroscopy (SLB), endothelial specular microscopy, confocal microscopy, and ultrasound biomicroscopy examination techniques and the second part describes the corneal topography and tomography, providing up-to-date information on the clinical recommendations of these techniques in eye care practice...
February 2018: Indian Journal of Ophthalmology
Andrea Leonardi, Daniela Lazzarini, Alvise La Gloria Valerio, Tania Scalora, Iva Fregona
AIM: To propose a new scoring system in the assessment of ocular surface epithelial damage in vernal keratoconjunctivitis (VKC). METHODS: 25 consecutive patients with VKC (50 eyes) were evaluated using the Quality of Life in children with VKC (QUICK) questionnaire and objective clinical measures: fluorescein and lissamine green staining and cornea confocal microscopy (Heidelberg Retina Tomography 3). Oxford, Van Bljsterweld and a new system, the VKC-Collaborative Longitudinal Evaluation of Keratoconus study (CLEK) (VKC-CLEK) scores, were used to evaluate the epithelial damage after staining...
January 24, 2018: British Journal of Ophthalmology
Luis Silva, Ahmad Najafi, Yanin Suwan, Chaiwat Teekhasaenee, Robert Ritch
The iridocorneal endothelial syndrome (ICE) represents a unique group of ocular pathologies (Chandler syndrome, progressive iris atrophy, and Cogan-Reese syndrome) characterized by the proliferation of corneal endothelial cells that migrate toward the iridocorneal angle and iris surface causing, to a degree varying according to the subtype, corneal edema and decompensation, and secondary glaucoma, whether by obstructing the angle or producing peripheral anterior synechiae by contraction of the basement membrane of the migrating cells over the surface of the iris...
January 10, 2018: Survey of Ophthalmology
Anubha Rathi, Arunaloke Chakrabarti, Tushar Agarwal, Neelam Pushker, Mukesh Patil, Hemant Kamble, Jeewan S Titiyal, Rishi Mohan, Seema Kashyap, Sanjay Sharma, Seema Sen, Gita Satpathy, Namrata Sharma
PURPOSE: To report a case of Pythium insidiosum keratitis leading to fatal cavernous sinus thrombophlebitis. METHODS: Case report. RESULTS: A 70-year-old man presented with excruciating pain, redness, and diminution of vision in his left eye for 2 weeks after washing his hair with tap water. A total corneal ulcer with surrounding infiltrates and associated corneal thinning was present. Corneal scraping revealed the presence of Gram-positive cocci...
January 9, 2018: Cornea
Leonardo Mastropasqua, Mario Nubile, Niccolò Salgari, Rodolfo Mastropasqua
PURPOSE: To investigate the in vivo effect of a novel femtosecond laser-assisted procedure termed stromal lenticule addition keratoplasty for advanced keratoconus. METHODS: Ten patients with stage III and IV stable keratoconus were included. Negative meniscus-shaped stromal lenticules were produced from corneoscleral eye bank buttons with a refractive lenticule extraction procedure with a 500-kHz VisuMax femtosecond laser (Carl Zeiss Meditec, Jena, Germany). Recipient corneas underwent a modified femtosecond laser flap-cut procedure to produce an intrastromal pocket and lenticules were implanted...
January 1, 2018: Journal of Refractive Surgery
Ahmad Kheirkhah, Vannarut Satitpitakul, Zeba A Syed, Rodrigo Müller, Sunali Goyal, Elmer Y Tu, Reza Dana
PURPOSE: To determine the factors that influence the sensitivity and specificity of laser-scanning in vivo confocal microscopy (IVCM) for diagnosing Acanthamoeba keratitis (AK). METHODS: This retrospective, controlled study included 28 eyes of 27 patients with AK and 34 eyes of 34 patients with bacterial keratitis (as the control group). All patients had undergone corneal imaging with a laser-scanning IVCM (Heidelberg Retina Tomograph 3 with the Rostock Cornea Module)...
January 4, 2018: Cornea
Jing-Hao Qu, Li Li, Lei Tian, Xiao-Yu Zhang, Ravi Thomas, Xu-Guang Sun
BACKGROUND: To study basal epithelial cell (BEC), sub-basal nerve plexus (SBN) and Langerhans cell (LC) density in patients with type 2 diabetes mellitus (T2DM) with corneal punctate epitheliopathy (CPE) and to assess their association with time to healing of CPE. METHODS: Retrospective study of in vivo confocal microscopy (IVCM) in 160 eyes from 160 patients with T2DM diagnosed with CPE due to a single cause. Key exclusion criteria included multiple-causes for CPE or treatment with autologous serum...
January 4, 2018: BMC Ophthalmology
Shubhmita Bhatnagar, Amala Saju, Krishna Deepthi Cheerla, Sudeep Kumar Gade, Prashant Garg, Venkata Vamsi Krishna Venuganti
Penetration of antibiotics into and through the cornea is a major limiting factor in the treatment of ocular infections. Several strategies are in vogue to overcome this limitation such as use of fortified drops, gels, and subconjunctival injections. Here, we present the fabrication of rapidly dissolving polymeric microneedle array to effectively deliver besifloxacin through the cornea. Microneedles were prepared using polyvinyl alcohol and polyvinyl pyrrolidone by the micromolding technique. The model fluoroquinolone antibiotic, besifloxacin, was loaded in 36 microneedles arranged in a 6 × 6 array format within a 1 cm2 area...
December 29, 2017: Drug Delivery and Translational Research
Alberto López-De La Rosa, Cristina Arroyo-Del Arroyo, Pilar Cañadas, Alberto López-Miguel, Margarita Calonge, Amalia Enríquez-De-Salamanca, María J González-García
PURPOSE: To study whether contact lens (CL) discomfort and some properties of soft CL materials are associated with alterations in the nerve fibers morphology and density of dendritic cells of the corneal sub-basal nerve plexus. MATERIALS AND METHODS: Forty soft CL wearers and 20 non-CL wearers were included. The Contact Lens Dry Eye Questionnaire-short form was administered to divide CL wearers based on their symptoms (20 symptomatic and 20 asymptomatic CL wearers were included)...
December 29, 2017: Current Eye Research
Meiyan Li, Yu Zhao, Qirui Xiao, Peijun Yao, Mingzi Piao, Ling Sun, Xingtao Zhou
PURPOSE: To investigate the long-term changes in anterior corneal structure after surface ablation. METHODS: In this retrospective study, patients who received surface ablation including laser-assisted subepithelial keratomileusis (LASEK) and epipolis laser in situ keratomileusis at the Department of Ophthalmology of Fudan University Eye and Ear, Nose and Throat (EENT) Hospital (Shanghai, People's Republic of China) were telephoned. Patients were asked to follow-up at the refractive center...
November 28, 2017: Eye & Contact Lens
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
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