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Choroidal thickness under pilocarpine versus cyclopentolate.
Sci Rep
January 2025
Privatpraxis Prof Jonas und Dr Panda-Jonas, Heidelberg, Germany.
Bruch´s membrane (BM) is firmly connected posteriorly to the optic nerve head through the peripapillary choroidal border tissue, and anteriorly through the longitudinal ciliary muscle to the scleral spur. We assessed, whether a difference in the contractile state of the ciliary muscle influences the position of the posterior BM by lifting the posterior BM pole, i.e.
View Article and Find Full Text PDFFinite element model of ocular adduction with unconstrained globe translation.
Biomech Model Mechanobiol
April 2024
Stein Eye Institute, UCLA, University of California, 100 Stein Plaza, Los Angeles, CA, 90095-7002, USA.
Article Synopsis
- This text discusses a detailed biomechanical model of human eye movement, focusing on ocular adduction, built using data from anatomical studies and measurements of the optic nerve's properties.
- The model simulates how the eye moves when certain muscles contract, highlighting the role of extraocular muscles and connective tissues, with and without orbital fat.
- Results from the simulation show that the presence of orbital fat affects how much the eye moves and experiences strain, indicating its importance in eye movement biomechanics.
Unusual Trigger for Contractile Movements of Optic Disc in Peripapillary Staphyloma.
J Curr Ophthalmol
November 2022
Department of Ophthalmology, Military Medical Academy, St Petersburg, Russia.
Purpose: To report a case of contractile movements of the optic disc in peripapillary staphyloma.
Methods: A 65-year-old female received a comprehensive ophthalmic examination, multimodal imaging, and computed tomography.
Results: The patient was diagnosed with peripapillary staphyloma in her right eye.
Case Report: Fibroglial Retinal Tissue in Contractile Morning Glory Disc Anomaly.
Case Rep Ophthalmol
June 2021
Centro Oftalmológico Mira, Ciudad de México, México.
The purpose of the present case is to describe a patient with tractional retinal detachment (RD) associated with contractile morning glory: a 17-year-old female, with a history of failed surgery for RD when she was 2 years old in her right eye (OD), nystagmus, and a limited visual acuity in the left eye (OS). The slit lamp examination showed phthisis bulbi in OD and the anterior segment was unremarkable in OS. Dilated fundus examination revealed a tractional RD in the posterior pole and peripapillary and preretinal fibrosis without evidence of intravitreal dispersion of retinal pigment epithelial cells.
View Article and Find Full Text PDFMorning Glory Disc Anomaly with Contractile Peripapillary Staphyloma in an 18-Month-Old Girl.
Neuroophthalmology
July 2020
I-st Department of Internal Disease and General Medicine, Trakia University, Stara Zagora, Bulgaria.
We present an 18-month-old girl with strabismus and a variable esotropia of the left eye. Fixation of the affected eye was intermittent with a relative afferent pupillary defect. A fundus photography of the left eye displayed a combination of features of both morning glory disc anomaly and peripapillary staphyloma.
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