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Sleep apnea cornea

Funda Dikkaya, Rengin Yildirim, Sevil Karaman Erdur, Gülçin Benbir, Rukiye Aydin, Derya Karadeniz
OBJECTIVES: To investigate the corneal biomechanical properties and anterior segment parameters in patients with obstructive sleep apnea syndrome (OSAS). METHODS: Fifty-four eyes of 54 patients with OSAS and 20 eyes of 20 healthy subjects were included. Patients with mild and moderate OSAS (Respiratory Disturbance Index [RDI] <30) enrolled in group 1, those with severe OSAS (RDI≥30) in group 2 and controls in group 3. Corneal biomechanical properties including corneal hysteresis (CH), corneal resistance factor (CRF), Goldmann-correlated intraocular pressure (IOPg), and corneal-compensated intraocular pressure (IOPcc) were measured with ocular response analyzer...
November 2018: Eye & Contact Lens
Konstantinos Oikonomakis, Myrsini Petrelli, Konstantinos Andreanos, Andreas Mouchtouris, Petros Petrou, Ilias Georgalas, Dimitrios Papaconstantinou, George Kymionis
OBJECTIVE: To report a case of corneal neovascularization with secondary lipid keratopathy in a patient treated with continuous positive airway pressure (CPAP) for obstructive sleep apnea-hypopnea syndrome (OSAHS). CASE REPORT: A 49-year-old male had been diagnosed with obstructive sleep apnea syndrome 10 years ago and has been treated with the application of a CPAP machine during night sleep ever since. For the past year, the patient had been complaining for ocular irritation and excessive tearing of the left eye on awakening...
May 2017: Case Reports in Ophthalmology
Mohammad Naderan, Farzaneh Rezagholizadeh, Masoome Zolfaghari, Morteza Naderan, Mohammad Taher Rajabi, Mohammad Amin Kamaleddin
AIM: The purpose of this study was to determine the association between prevalence of obstructive sleep apnoea (OSA) in patients with keratoconus (KC) and the severity of KC. METHODS: Six-hundred and sixteen patients with KC and 616 patients without KC in the control group were enrolled in this prospective case-control study. Both groups were matched by age, gender, and body mass index (BMI). The Berlin Questionnaire was administered in both groups. Keratometric and topographic measurements of the KC eyes were recorded...
December 2015: British Journal of Ophthalmology
Metin Ekinci, Nergiz Huseyinoglu, H Huseyin Cagatay, Erdinc Ceylan, Sadullah Keles, Gokcen Gokce
PURPOSE: The objective of this study was to determine the central corneal thickness (CCT) measurements in patients with Sleep Apnea Syndrome (SAS) and the relationship between the severity of SAS and minimal arterial oxygen saturation (min. SpO2) with respect to CCT. MATERIALS AND METHODS: Two hundred and fourteen eyes of 107 patients (58 males, 49 females) who were diagnosed as SAS and 80 eyes of 40 healthy subjects (20 males, 20 females) were included in the study...
November 2013: Current Eye Research
Charles W McMonnies
PURPOSE: To examine the validity of the observations made by specialist corneal surgeons that there seems to be an absence or loss of older patients with keratoconus (KC). METHODS: Using a PubMed search and key words such as KC, epidemiology, mortality, mitral valve prolapse, atopy, and asthma, the literature related to this topic was reviewed. Specialist contact lens fitting practitioners were asked to supply age-related details of KC and nonkeratoconus patients within their practices...
April 2013: Cornea
Christian Carrwik, Ulf Stenevi
PURPOSE: This paper reviews current knowledge about the pathogenesis, clinical manifestations and treatment of lattice corneal dystrophy, gelsolin type (LCD2, Meretoja's syndrome). METHODS: Material is derived from literature searches, a case study of a Finnish patient living in Sweden, and interviews in Helsinki with Professor Ahti Tarkkanen and Dr Sari Kiuru-Enari, both of whom have extensive first-hand experience in treating patients with the disease. RESULTS: The disease is now reported from several countries in Europe, as well as Japan, the USA and Iran...
November 2009: Acta Ophthalmologica
Igal Leibovitch, Dinesh Selva
Floppy eyelid syndrome (FES) is a recently recognized entity, originally described in obese men with easily everted upper eyelids and chronic ocular irritation. Although the eyelids are primarily involved, other ocular structures such as the conjunctiva and cornea are frequently affected and cause much of the morbidity. Recent studies have found an interesting association with obstructive sleep apnea (OSA) and with chronic diseases such as hypertension and diabetes. The association of FES with OSA has both diagnostic and therapeutic implications; FES may be a presenting symptom in patients with undiagnosed OSA, and, in addition, treatment of obesity and OSA may have a favorable effect on the course of FES...
March 2006: Sleep Medicine
A A Bialasiewicz, K Engelmann, G Richard
Nasal hyperbaric respiration devices used at night to counteract sleep apnea may represent a concealed cause of delayed superficial wound healing following perforating keratoplasty. We report the cases of two patients whose respirators produced a continuous flow of pressurized air (nCPAP) onto the operated eyes, leading to conjunctival hyperemia, recurrent corneal erosion, infiltration of the puncture track and the cornea, and superficial punctate keratopathy. Microbiological investigation revealed no clearly identifiable pathogens...
June 2000: Der Ophthalmologe: Zeitschrift der Deutschen Ophthalmologischen Gesellschaft
D S Mojon, D Goldblum, J Fleischhauer, A G Chiou, B E Frueh, C W Hess, M Gugger, C Bassetti, M Boehnke, J Mathis
OBJECTIVE: To determine the prevalence of eyelid, conjunctival, and corneal findings in patients with sleep apnea syndrome (SAS). DESIGN: Case series. PARTICIPANTS: Seventy-two white patients referred for evaluation of suspected SAS. INTERVENTION: Complete examination of eyelids, conjunctiva, and cornea, including videokeratography. MAIN OUTCOME MEASURES: Spearman rank correlations were determined between the respiratory disturbance index (RDI) during night sleep, a value used to diagnose and grade SAS, and tear film break-up time, eyelid distraction distance, presence or absence of ocular irritation symptoms, blepharoptosis, floppy eyelids, lacrimal gland prolapse, keratoconus, and endothelial dystrophy...
June 1999: Ophthalmology
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