Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 220 for “"Ophthalmology"”.
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Anti-vascular endothelial growth factor in ophthalmology
Vascular endothelial growth factor, secreted by the neurovascular retina, acts as an essential regulator in vasculogenesis, angiogenesis, and increased vascular permeability, which plays a critical role in the pathophysiology of ischemia-related retinal illnesses, inducing aberrant …
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Algorithms for the application of Hartmann-Shack wavefront sensors in ophthalmology
… of Hartmann-Shack wavefront sensors in ophthalmology. Two compact systems were built to do measurements of the entire optical system of the human eye. Automatic pre-correction modules were integrated to compensate a sphere of -11.25 dpt to 3.25 dpt and an astigmatism of up to 4 dpt. In …
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Basic Instruction in Ophthalmology for Medical Students: A Prototype for Instructional Development in Medical Education
Made available in DSpace on 2014-12-10T18:45:18Z (GMT). No. of bitstreams: 1 7212075.pdf: 5663148 bytes, checksum: a8d48e87ac2dc89b8971121b4ea1de84 (MD5) Previous issue date: 1971
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A survey of the attitude towards research and research education among South African Ophthalmology trainees
… or Master of Medicine (MMed) degree during ophthalmology specialist training has now become compulsory in order to qualify as an ophthalmologist in South Africa. At a national level there is currently no co-ordinated effort to standardize research training and resources for trainees. …
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Relevance and Role of Nutritional Supplements in the Ophthalmology Practice // Място и роля на хранителните добавки в офталмологичната практика
Primary open-angle glaucoma (POAG) is a chronic, progressive, irreversible eye disease that potentially leads to blindness, causing damage to the optic disc and neurofibrillary layer, with associated visual field defects. All available therapeutic strategies are currently limited to lowering IOP, …
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Construct validity testing of a low cost vitreoretinal surgical simulator
… viewing system The scores of a novice group (Ophthalmology residents who had never performed a pars planar vitrectomy) were compared to an expert group (Vitreoretinal surgeons who had performed in excess of 20 pars planar vitrectomies). Scores were graded via video recordings of the tasks, by …
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Die chirurgische Behandlung von Augenkrankheiten beim Pferd
Surgical techniques in equine ophthalmology – A literature review - The objective of the presented study is to provide a comprehensive review of surgical intervention techniques and their results in the treatment of equine ophthalmologic disorders. The study surveys English, German and, to a …
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Enhanced visualization of retinal pathologies with ultrahigh resolution optical coherence tomography
… in a number of medical fields including ophthalmology, cardiology, and gastroenterology. OCT is analogous to ultrasound except that it uses light waves rather than sound waves. OCT can achieve a much higher resolution than ultrasound in measuring the underlying tissue microstructures. …
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Feasibility of an automated AI-based screening tool for diabetic retinopathy at an endocrine outpatient clinic in SA
… Of these, 55 (88.7%) required referral to ophthalmology. This included 36 patients (58.1%) with referable DR according to AI grading (of which 19 patients (30.6%) had vision-threatening DR) and 19 (30.6%) with ungradable images despite dilatation. Nine patients (14.5%) were lost to …
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High speed handheld instrument for ophthalmic optical coherence tomography
… of tissue. OCT has become a standard tool in ophthalmology for imaging the retina to detect or monitor pathologies. Recent research advances in swept source lasers have allowed swept source OCT (SS-OCT) to have 5-50x faster imaging speeds when compared to SD-OCT commercial systems. This thesis …
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Avaliação da superfície ocular em pacientes com doença ocular da tireoide
… patients followed at two SUS care services: (i) Ophthalmology Services, Professor Francisco Magalhães Neto Outpatient Clinic (AMN), HUPES complex, UFBA; and (ii) Ophthalmology Outpatient Clinic, Santo Antônio Hospital, Irmã Dulce Social Works (OSID). Material and Methods: this is a multicenter, …
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Longitudinal Visualization of Neurodegeneration: Digital Biopsy of the Retina
… of disease. In this dissertation, traditional ophthalmology methods were augmented with emerging optical techniques and biological markers to track inflammatory progression in different disease models.
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Computer-assisted colour fundus image analysis
… analysis has become increasingly important in ophthalmology. The retina is the only location where blood vessels can be directly visualized non-invasively in vivo. Hence, it serves as a ‘window’ to some of the pathologies like glaucoma, cerebrovascular and cardiovascular complications. Any …
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Ultrahigh speed optical coherence tomography for ophthalmic imaging applications
… that has become a standard clinical tool in ophthalmology. Fourier domain OCT detection methods have enabled higher sensitivity and imaging speeds compared to previous generation timedomain OCT. Spectral / Fourier domain OCT (SD-OCT) detects the interference spectrum using a broadband light …
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Clustering Analysis of Zernike Coefficients Through Quantile Regression
… using both simulated and real data sets. In the ophthalmology data application, at quantile =0.65, the population are most heterogeneous and divided into two clusters.</p>
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Optical coherence tomography for retinal diagnostics
… capability, OCT has been widely applied in ophthalmology, cardiology and dermatology; and in addition to three-dimensional intensity image construction, various functional OCT imaging techniques have been developed for clinical application. My research is focused on developing functional OCT …
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Analytical Modeling of Optical Coherence Tomography
… has become an indispensable imaging modality in ophthalmology and dermatology, prized for its micrometer-level resolution, non-invasiveness, and significant penetration depth. Despite its precision in revealing skin morphology, standard OCT lacks the ability to help dermatologists reliably …
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Deep Video Analysis Methods for Surgical Skills Assessment in Cataract Surgery
… is important for a graduate surgical trainee in ophthalmology to have a strong understanding of how to proficiently perform cataract surgery. The surgical training curriculum should incorporate methodical assessments of surgical skills and improve trainee surgeons expertise to maintain patient …
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AMNIOTIC MEMBRANE TRANSPLANTATION FOR OCULAR SURFACE RECONSTRUCTION IN VETERINARY MEDICINE
… (AMT) has been widely described in human ophthalmology for the reconstruction of corneal and/or conjunctival surface in different diseases, such as: ocular surface neoplasia, pterygium, chemical and thermal burns, cicatrizing conjunctivitis, symblepharon release, bleb leakage, filtering …
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Cataract surgical services in Madagascar
… supported by Kilimanjaro Centre for Community Ophthalmology (KCCO) satellite centers were analysed. Results: The study findings demonstrated a borderline post-operative visual acuity outcome after 24 hours but showed visual improvements 4 weeks after follow up. Males were more likely to have …
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