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Genevieve C Y Chan, Ravi Kamble, Henning Muller, Syed A A Shah, T B Tang, Fabrice Meriaudeau
Diabetic Macular Edema (DME) is a severe eye disease that can lead to irreversible blindness if it is left untreated. DME diagnosis still relies on manual evaluation from opthalmologists, thus the process is time consuming and diagnosis may be subjective. This paper presents two novel DME detection frameworks: (1) combining features from three pre-trained Convolutional Neural Networks: AlexNet, VggNet and GoogleNet and performing feature space reduction using Principal Component Analysis and (2) a majority voting scheme based on a plurality rule between classifications from AlexNet, VggNet and GoogleNet...
July 2018: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
Vivek Yedavalli, Devsmita Das, Tarik F Massoud
The nasolacrimal drainage apparatus (NDA) is of interest to anatomists, radiologists, and ophthalmologists alike, owing to its intricate luminal contour, complex surrounding structural morphology, and its clinical relevance. Here, we review the history of anatomical descriptions of so-called luminal "valves" of the NDA, including the numerous historical figures whose eponyms adorn the NDA. By 1908, multiple false "valves" that are likely no more than mounds of mucosa along the NDA had been recorded...
September 27, 2018: Clinical Anatomy
Lisa B E Shields, Christopher B Shields, Tom L Yao, Brian M Plato, Yi Ping Zhang, Shervin R Dashti
BACKGROUND: Idiopathic intracranial hypertension (IIH) is characterized by increased intracranial pressure. IIH causes significant morbidity marked by incapacitating headaches and visual disturbances. This study investigated the long-term outcomes of venous sinus stenting in a large group of patients with IIH. METHODS: We retrospectively reviewed all patients at our institution who underwent venous sinus stenting for IIH over 6 years (July 1, 2012-June 30, 2018)...
September 21, 2018: World Neurosurgery
Ratna Sitompul
Diabetes mellitus (DM) is a complex and chronic metabolic disorder leading to many complications. One of the most common complications of DM is diabetic neuropathy. There are many studies exploring corneal sensitivity as a potential marker of diabetic neuropathy. This review aims to explore association between corneal sensitivity and diabetic neuropathy. In diabetic neuropathy, corneal sensitivity is impaired due to low level of corneal nerve trophic factors, impaired sensory nerve fibers, and lost communication of dendtritic cell...
April 2017: Acta Medica Indonesiana
Justyna Szczapa-Jagustyn, Anna Gotz-Więckowska, Jarosław Kocięcki
BACKGROUND: Risk of developing thyroid-associated ophthalmopathy (TAO) in children and adolescents is similar or may be even slightly higher than in adults. The aim of this article is to review and summarize current knowledge regarding diagnostic and therapeutic measures in pediatric TAO. CONTENT: MEDLINE and EMBASE papers were searched using the terms 'pediatric Graves' ophthalmopathy' 'pediatric Graves' orbitopathy', 'thyroid-associated ophthalmopathy in childhood and adolescence' from the year 1970 to December 2015...
October 1, 2016: Journal of Pediatric Endocrinology & Metabolism: JPEM
D P Vats, J Parihar, F Rodrigues, N Ramchandran, R G Dash, H S Trehan, M A Khan
Penetrating Keratoplasty in high risk cases like paediatric patients, complicated cases of pseudophakic bullous keratopathy, or in patients with highly vascularized corneal opacities have been a challenge for opthalmologists because of the poor outcome. 101 patients with such high risk indications underwent penetrating keratoplasty. Some of them also underwent concurrent procedures like PC IOL implantation or vitrectomy. The patients' follow up period ranged from six months to four years. The results were evaluated...
January 2001: Medical Journal, Armed Forces India
Brian A Darlow
Blindness from retinopathy of prematurity (ROP) in Australian and New Zealand is an uncommon event although 3% of <31 weeks gestation infants receive treatment for the disease. New world-wide estimates of the incidence of blindness from ROP are much higher than previously at 20 000 children annually. The impact of severe ROP can be reduced through good evidence-based care of very preterm infants and careful organisation of eye examinations and follow-up services. Recent oxygen saturation targeting trial results might mean the adoption of higher targets than formerly in very preterm infants and will require vigilance to ensure all eligible infants are examined appropriately...
August 2015: Journal of Paediatrics and Child Health
Moritz Lindner, Thomas Bertelmann
BACKGROUND: Ochronosis/Alkaptonuria is a tyrosine metabolism disorder where accumulation of homogentisic acid, in eye, skin, cartilage and several other connective tissues leads to a black pigmentation of the affected tissues. It is autosomal-recessive inherited in men with a frequency of 1-9/1,000,000. While it is clear that pigment deposits lead to joint destruction, renal stone formation and cardiac valvulopathy respectively, the significance of ocular findings is still unclear. We therefore aim to evaluate the frequency and clinical significance of ocular findings in ochronosis and discuss possible therapeutic options...
2014: BMC Ophthalmology
Nagaraj R Mahajan, Ravi Chandra Reddy Donapati, Sumohana S Channappayya, Sivaramakrishna Vanjari, Ashutosh Richhariya, Jay Chhablani
We present an automated algorithm for the detection of blood vessels in 2-D choroidal scan images followed by a measurement of the area of the vessels. The objective is to identify vessel parameters in the choroidal stroma that are affected by various abnormalities. The algorithm is divided into five stages. In the first stage, the image is denoised to remove sensor noise and facilitate further processing. In the second stage, the image is segmented in order to find the region of interest. In the third stage, three different contour detection methods are applied to address different challenges in vessel contour...
2013: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
Andrew Tanchyk, Amy Tanchyk
Nitrous oxide is absolutely contraindicated after vitreoretinal surgery that uses intraocular gas, as the mixture of gas and nitrous oxide can cause catastrophic vision loss. Professional awareness and communication are vital to prevent this iatrogenic complication. This case report identifies a side effect of vitreoretinal surgery with a benign outcome--specifically, a referred pain or pressure from left eye surgery or an associated gas bubble to the upper left quadrant. Such cases underscore the need for a dentist and staff to inquire about all ocular procedures to avoid patient vision loss due to nitrous oxide...
September 2013: General Dentistry
Eva Platner, Mati Bakon, Ruth Huna-Baron
Carotid-cavernous fistulas (CCFs) are abnormal arteriovenous communications in the cavernous sinus. In many cases of CCF's the primary signs are ocular manifestations, which include: pulsatile proptosis, orbital bruit, chemosis and conjunctival injection, elevated intraocular pressure, venous stasis retinopathy, and cranial nerve pareses. Patients in whom the fistula causes arterial drainage into the cerebral veins and sinuses are at risk for intracranial hemorrhage. The most common treatment for CCF's is endovascular occlusion of the lesion...
February 2013: Harefuah
(no author information available yet)
The article is devoted to the problems of eye prosthetics that develops since ancient times till today. Indications for eye prosthesis and its role in rehabilitation of anophthalmic patients are determined. The process of glass prostheses production is described in details, technology is discussed and illustrated. This article is of great interest for opthalmologists and prosthetic technicians as it is proved that glass prostheses are more physiologic and have a number of advantages compared to plasticones.
September 2012: Vestnik Oftalmologii
C K Ramachandran
The art of opthalmology was well developed in ancient India and was known as Nimi Tantra. In this paper the author presents the main features of Nimi Tantra an authoritative treatises written by Nimi, a prominent opthalmologist of his time.
April 1984: Ancient Science of Life
Cecilia Mercieca, Norbert Vella, Andrew A Borg
A 34-year-old ankylosing spondylitis (AS) patient on etanercept for 30 months presented to neurologists with paresthesia of his hands and feet. Magnetic resonance imaging (MRI) scans showed multifocal hyperintense lesions. Symptoms did not improve on stopping the anti-tumor necrosis factor (TNF) agent. Few cases of demyelinating disease occurring after more than 2 years of treatment with anti-TNF agents have been reported in patients with AS. Opthalmologists, internists, neurologists, and rheumatologists need to be aware of these adverse events, as patients may present to any of these specialties many years after treatment...
April 2012: Modern Rheumatology
Hiroaki Shibahara, Shingo Kuze, Takanori Kyokane, Junichi Takamizawa, Hayato Nakamura, Hitoshi Atsumi
PURPOSE: To elucidate the features of optic lesions in patients with epiphora during S-1 therapy. PATIENTS: Twelve patients with epiphora in 123 patients during S-1 therapy. RESULTS: Age range was 38-84 years (mean 68.4 years). There were 4 cases in 81 men (5%) and 8 in 42 women (19%). Epiphora occurred significantly more often in women (p=0.02). The administration period was from 10 days to 36 months. Lesions were superficial punctate keratopathy in 10 cases with cornea and obstruction of inferior punctum in 2, stenosis of nasolacrimal duct in 1 and suspected occlusion of the nasolacrimal duct in 1 with lacrimal duct...
September 2010: Gan to Kagaku Ryoho. Cancer & Chemotherapy
M K Bozkurt, B Bozkurt, H Artac, N Arslan, I Reisli
OBJECTIVE: To determine the prevalence of symptoms and signs of allergic rhinitis (AR) in children with vernal keratoconjunctivitis (VKC) and evaluate eustachian tube (ET) function using tympanometry. METHODS: The patients underwent an otolaryngological examination and symptoms of rhinorrhoea, nasal obstruction, nasal itching and sneezing were evaluated for the diagnosis of AR. Tympanometry was performed by a middle ear analyzer (Impedance audiometer AZ 26, Interacoustics A/S, Assens, Denmark)...
January 2010: International Journal of Pediatric Otorhinolaryngology
(no author information available yet)
No abstract text is available yet for this article.
November 2008: Clinical & Experimental Ophthalmology
Regina de Souza Carvalho, Newton Kara-José, Edméa Rita Temporini, Newton Kara-Junior
OBJECTIVE: To verify age of first ophthalmic evaluation and optical prescription along with present optical correction among ophthalmologists of different age groups. METHODS: A cross-sectional study was conducted with a nonprobabilistic sample (n = 578) of ophthalmologists and resident physicians using a self-administered questionnaire. RESULTS: The first ophthalmologic exam was undergone before age 7 for 33.3% of the ophthalmologists aged between 23 and 30 years, for 25...
February 2007: Clinics
Gurjeet Kaur, Rosli Ismail, Hairulhasliza Harun
Metastatic eyelid tumours are rare and account for less than 2% of all eyelid neoplasms. We report a case of metastatic breast carcinoma to the eyelid in a 60-year-old Chinese lady presenting with a 2-year history of enlarging, painless nodular lower eyelid swelling. The 1 cm diameter lesion was provisionally diagnosed as a sebaceous cyst. However the excision biopsy revealed a mucinous carcinoma expressing oestrogen receptor protein. She had a past history of mastectomy one year previously and histology showed an infiltrating ductal carcinoma (oestrogen receptor status negative) without evidence of axillary lymph node metastasis...
December 2005: Malaysian Journal of Pathology
Stanley E Thawley
Otolaryngology and ophthalmology have a long and congenial professional relationship in the development of their mutual specialties over many years. In the early years they were one professional society, but later split into their separate specialties. Some problems involve both specialties because of the shared common anatomic areas. These problems include: orbital complications of sinusitis, management of exopthalmus, silent sinus syndrome, lacrimal apparatus problems, tumor and trauma problems, optic nerve decompression, and complications of endoscopic sinus surgery...
October 2006: Otolaryngologic Clinics of North America
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