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Predictive value of enhanced corneal biomechanical parameters for ectasia progression.
Jpn J Ophthalmol
January 2025
Department of Ophthalmology, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan.
Purpose: To determine whether corneal biomechanical parameters can predict ectasia progression.
Study Design: Retrospective observational study.
Methods: The baseline corneal biomechanical parameters of 64 eyes of 41 young patients (age, < 25 years at the first visit) who were diagnosed with keratoconus (KC) or suspected KC at Osaka University Hospital and followed up for more than two years were reviewed.
Application of Surgical Protocols for the Treatment of Highly Irregular Astigmatism with Topographic Guided Ablation in a Case of Post-LASIK Ectasia.
Int Med Case Rep J
January 2025
Department of Ophthalmology, University of California San Francisco, San Francisco, CA, USA.
Purpose: To compare the outcomes of two different surgical planning strategies for topography-guided repair of post-LASIK ectasia.
Methods: This is a case report of a patient presenting with post-LASIK ectasia. A retrospective chart review was used to collect details of the ophthalmic exam, as well as ocular imaging such as anterior segment optical coherence tomography and Scheimpflug corneal tomography.
Xenographic lenticule implantation followed by riboflavin and UV treatment: A promising alternative for corneal ectasias management.
Methods
January 2025
Faculty of Pharmacy, Federal University of Minas Gerais, Av. Antônio Carlos 6627, Pampulha, CEP 31270-901 Belo Horizonte, Minas Gerais, Brazil. Electronic address:
The cornea is the primary refracting surface of the eye, requiring precise curvature to ensure optimal vision. Any distortion in its shape may result in significant visual impairment. Corneal ectasias, such as keratoconus (KC), is characterized by gradual thinning and protrusion of the thinned area, due to biomechanical weakening of the tissue, leading to astigmatism and vision loss.
View Article and Find Full Text PDFNavigating the neurovascular maze of trigeminal neuralgia.
Radiol Case Rep
March 2025
Department of Psychiatry, Datta Meghe Institute of Medical Sciences, Sawangi, Wardha, Maharashtra 442001, India.
Tic douloureux, also known as trigeminal neuralgia, is distinguished by recurrent episodes of severe, lancinating pain that affects one or more branches of the trigeminal nerve, representing a prevalent pain syndrome. This condition has an annual incidence rate of 27 per 100,000 individuals. Nevertheless, direct compression caused by vertebrobasilar dolichoectasia (VBD) represents a considerably less frequent etiology of trigeminal neuralgia, with an estimated overall incidence of about 1%.
View Article and Find Full Text PDFNon-genetic risk factors for keratoconus and its progression.
Clin Exp Optom
January 2025
Department of Ophthalmology, University of Auckland, Auckland, New Zealand.
Keratoconus is a multifaceted corneal ectatic disorder characterized by a range of genetic and environmental risk factors. While genetic predisposition significantly influences global disease prevalence rates as well as severity and progression rates, emerging evidence highlights the critical interplay between environmental factors and genetic susceptibility. This article provides a comprehensive overview of environmental risk factors implicated in the onset and progression of keratoconus.
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