Results 1 to 10 of about 29,071 (115)

Understanding pseudopapilledema on spectral domain optical coherence tomography [PDF]

Indian Journal of Ophthalmology, 2023
Purpose: Optic nerve head drusen (ONHD), peripapillary hyperreflective ovoid mass-like structures (PHOMS), and horizontal hyperreflective lines (HHL) are commonly seen in eyes with pseudopapilledema on enhanced depth imaging (EDI) spectral domain optical
Shikha Talwar Bassi, Ramesh Pamu, Anjaly Varghese   +2 more
doaj   +2 more sources

Spectral-Domain Optical Coherence Tomography Morphological Characteristics in Patients with Cone Dysfunction Disorders: A Retrospective Case Series [PDF]

Clinical Ophthalmology
Hassan Khojasteh,1– 3 Fatemeh Bazvand,2 Mostafa Haidari,2 Amir Akhavanrezayat,3 Alireza Mahmoudi,4 S Saeed Mohammadi,3 Hamid Riazi Esfahani,2 Masoud Mirghorbani,2 Arefeh Sheikholeslami Salmasi,5 Afsaneh Azarkish,6 Jonathan Regenold,3 Irmak Karaca,7 Negin
Khojasteh H, Bazvand F, Haidari M, Akhavanrezayat A, Mahmoudi A, Mohammadi SS, Riazi Esfahani H, Mirghorbani M, Sheikholeslami Salmasi A, Azarkish A, Regenold J, Karaca I, Yavari N, Shen M, Uludag Kirimli G, Or C, Ghoraba HH, Nguyen QD, Leung LSB   +18 more
doaj   +2 more sources

Imaging cystoid macular oedema secondary to branch retinal vein occlusion with spectral domain optical coherence tomography: A case report [PDF]

SAGE Open Medical Case Reports
Spectral domain optical coherence tomography has changed the way we view retinal diseases by providing us with high-resolution, cross-sectional images. It is very important for diagnosing and keeping a track of cystoid macular oedema, especially when it ...
Samuel Livingstone Kumaran, Gokulakrishnan Kannaki Renuga Sri, Beena Esther Thomas, Shiju Monickaraj Selvister   +3 more
doaj   +2 more sources

Design and Simulation of an Ultrahigh-resolution Spectral-domain Optical Coherence Tomography [PDF]

Journal of Medical Signals and Sensors
Background: Optical coherence tomography (OCT) is a biomedical imaging technique used to achieve high-resolution images from human tissues in a noninvasive manner.
Mohammad Hossein Vafaie, Maryam Ansarian, Hossein Rabbani   +2 more
doaj   +2 more sources

Optical Coherence Tomography: A Brief Review [PDF]

International Journal of Biophotonics and Biomedical Engineering, 2023
Optical coherence tomography (OCT) is a new imaging technique with a significant role in the field of medicine. It is a light-based non-invasive imaging method that provides high quality cross-sectional and volumetric images.
Nasser Moslehi Milani
doaj   +1 more source

Multirate Spectral Domain Optical Coherence Tomography

IEEE Photonics Journal, 2023
Optical coherence tomography is state-of-the-art in non-invasive imaging of biological structures. Spectral Domain Optical Coherence Tomography is the popularly used variation of this technique, but its performance is limited by the bandwidth and ...
Prabhav Gaur, Andrew Grieco, Yeshaiahu Fainman   +2 more
doaj   +1 more source

Comparison in Macular Thickness between Non diabetic and Uncomplicated Diabetics after Uncomplicated Phacoemulsification [PDF]

Egyptian Journal of Medical Research, 2022
Background: Phacoemulsification (phaco) is one of the most widely used cataract surgery techniques nowadays. Various factors can influence the tissue structures of the eyeball eg.
Hazem Haroun, Mostafa Saeed, Bakhoum Thabet Labeb   +2 more
doaj   +1 more source

Investigation of Light Parameters on Image Quality and Optical Coherence Tomography

International Journal of Optics, 2021
In this work, image quality and optical coherence tomography were studied. The results of the study show that there is a very significant difference between ultrasound and optical coherence tomography to produce an image with a different wave.
Boka Fikadu, Bulcha Bekele, Leta Tesfaye Jule, Anatol Degefa, N. Nagaprasad, Krishnaraj Ramaswamy   +5 more
doaj   +1 more source

Arterial macroaneurysm of the optic disc

American Journal of Ophthalmology Case Reports, 2018
Purpose: We present fundus and spectral domain optical coherence tomography findings of a patient with an arterial macroaneurysm of the optic disc. Observations: An 87-year-old woman presented with blurry vision and was found to have a retinal arterial ...
Cem Ozgonul, Cagri Giray Besirli
doaj   +1 more source

Spectral Domain Optical Coherence Tomography Findings in Posterior Microphthalmia

Türk Oftalmoloji Dergisi, 2014
The retinal spectral domain optical coherence tomography (SD-OCT) findings of two posterior microphthalmia cases are presented in this case report. For this purpose, the findings of two siblings aged five and seven years who presented to our clinic with
Emine Tınkır Kayıtmazbatır, Banu Turgut Öztürk, Hürkan Kerimoğlu   +2 more
doaj   +1 more source