Keratoconus and central serous chorioretinopathy are two rare diseases. They can occur together in some individuals. We report a case of a 48-year-old man, who presented to our clinic with decreased visual acuity on his left eye. Physical examination, biomicroscopy, corneal topography, and optical coherence tomography revealed keratoconus and central serous chorioretinopathy. We discuss the possible connection between these two conditions.
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http://dx.doi.org/10.1155/2020/8816449 | DOI Listing |
Biomimetics (Basel)
December 2024
Center for Advanced Eye Care, Vero Beach, FL 32960, USA.
We have compared the biomechanical properties of human and porcine corneas using vibrational optical coherence tomography (VOCT). The elastic modulus of the cornea has been previously reported in the literature to vary from about several kPa to more than several GPa based on the results of different techniques. In addition, the formation of corneal cones near the central cornea in keratoconus has been observed in the clinic.
View Article and Find Full Text PDFBMC Ophthalmol
December 2024
Ophthalmology Department, Faculty of Medicine, Sohag University, Almohafza St. Mailbox: 82511, Sohag, 82511, Egypt.
Purpose: To evaluate the clinical outcomes of implanting two symmetrical Kerarings via a femtosecond laser in grade three keratoconus.
Patients And Methods: This was a retrospective nonrandomized controlled clinical study. The study included one eye from each of twenty-three patients, all with Grade 3 keratoconus as classified by the Amsler-Krumeich classification.
J Fr Ophtalmol
December 2024
Merkez Prime Hospital, Department of Ophthalmology, Kocaeli, Turkey.
Purpose: To evaluate corneal topographic indices and the prevalence of keratoconus in patients with vernal keratoconjunctivitis (VKC) and to compare these with normal individuals.
Methods: One-hundred twelve consecutive patients with VKC and 112 age- and sex-matched healthy individuals were included in this prospective study. Demographic characteristics were recorded, and complete ophthalmic examinations were performed for all participants.
Int Ophthalmol
December 2024
Department of Ophthalmology, Ankara Bilkent City Hospital, University of Health Sciences, Ankara, Turkey.
Purpose: To assess the safety and the efficacy of the "Sub-400 corneal cross-linking (CXL) protocol" for progressive keratoconus (KC) in ultrathin corneas.
Methods: The study included thirty four patients with progressive KC, who underwent CXL using the "Sub-400" protocol due to intraoperative thinnest corneal pachymetry ranging from 295 to 398 μm after epithelial removal. After the epithelium was removed, the following ultraviolet A irradiation was applied at a fluence of 3 mW/cm and the duration was adjusted based on the specific corneal stromal thickness.
Acta Ophthalmol
December 2024
Department of Clinical Sciences/Ophthalmology, Umeå University, Umeå, Sweden.
Objective: To evaluate the effects of customized corneal collagen cross-linking (CXL) on higher-order aberrations (HOAs) in keratoconus (KC): vertical coma (VC), horizontal coma (HC), spherical aberration (SA), trefoil (TF) and astigmatism, compared with the same effects in healthy eyes undergoing CXL for low-grade myopia.
Methods: This mixed-designed study included 38 eyes of 38 patients with KC, treated and followed prospectively, who received customized epi-on CXL in high oxygen, and a retrospective control group of 23 eyes from 23 patients who underwent central 4-mm CXL treatment for low-grade myopia. VC, HC, SA, TF and keratometry values were obtained from Pentacam HR® measurements at baseline and at 1, 6, 12 and 24 months post-treatment.
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