Andreas Wartak
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Explore the profile of Andreas Wartak including associated specialties, affiliations and a list of published articles.
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23
Citations
203
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Recent Articles
1.
Sheil C, Wartak A, Spicer G, Tearney G
J Opt Soc Am A Opt Image Sci Vis
. 2022 Apr;
39(4):711-725.
PMID: 35471398
The mirror tunnel is a component used to extend the depth of focus for compact imaging probes used in endoscopic optical coherence tomography (OCT). A fast and accurate method for...
2.
Schenk M, Wartak A, Buehler V, Zhao J, Tearney G, Birngruber R, et al.
Transl Vis Sci Technol
. 2021 Nov;
10(13):22.
PMID: 34779835
Purpose: To investigate the most peripheral corneal nerve plexus using high-resolution micro-optical coherence tomography (µOCT) imaging and to assess µOCT's clinical potential as a screening tool for corneal and systemic...
3.
Wartak A, Kelada A, Leon Alarcon P, Bablouzian A, Ahsen O, Gregg A, et al.
Biomed Opt Express
. 2021 Aug;
12(7):4308-4323.
PMID: 34457416
OCT tethered capsule endomicroscopy (TCE) is an emerging noninvasive diagnostic imaging technology for gastrointestinal (GI) tract disorders. OCT measures tissue reflectivity that provides morphologic image contrast, and thus is incapable...
4.
Okoro C, Cunningham C, Baillargeon A, Wartak A, Tearney G
Appl Opt
. 2021 Mar;
60(8):2393-2399.
PMID: 33690340
The diagnostic capability of high-resolution optical coherence tomography (OCT) may be enhanced by using extended depth-of-field (EDOF) imaging that retains high transverse resolution over long depths. A recently developed mirror-tunnel...
5.
Wartak A, Schenk M, Buhler V, Kassumeh S, Birngruber R, Tearney G
Biomed Opt Express
. 2020 Nov;
11(10):5920-5933.
PMID: 33149996
We demonstrate the highest resolution (1.5×1.5×1 µm) micrometer optical coherence tomography (µOCT) imaging of the morphologic micro-structure of excised swine and non-human primate corneas. Besides epithelial, stromal, and endothelial cell...
6.
Kassumeh S, Luther J, Wertheimer C, Brandt K, Schenk M, Priglinger S, et al.
Transl Vis Sci Technol
. 2020 Aug;
9(7):30.
PMID: 32832235
Purpose: To evaluate the feasibility of corneal stromal filler injection to create bifocality to correct presbyopia by flattening the central posterior corneal surface and thus increase refractive power. Methods: Femtosecond...
7.
Elhardt C, Wertheimer C, Wartak A, Zhao J, Leung H, Kassumeh S, et al.
Transl Vis Sci Technol
. 2020 Aug;
9(5):6.
PMID: 32821478
Purpose: To image, track and map the nerve fiber distribution in excised rabbit corneas over the entire stromal thickness using micro-optical coherence tomography (µOCT) to develop a screening tool for...
8.
Wertheimer C, Elhardt C, Wartak A, Luft N, Kassumeh S, Dirisamer M, et al.
Eur J Ophthalmol
. 2020 Jul;
31(4):1771-1778.
PMID: 32700559
Purpose: In this study, we propose a method to grade corneal stromal opacity using optical density measurements by anterior segment optical coherence tomography (AS-OCT) and validate the approach in Fuchs...
9.
Desissaire S, Schwarzhans F, Salas M, Wartak A, Fischer G, Vass C, et al.
Biomed Opt Express
. 2020 Apr;
11(4):1772-1789.
PMID: 32341847
We present a new method for imaging retinal vessels that provides both structural and hemodynamic information. Our technique is based on a single beam OCT system with an integrated retinal...
10.
Baumann B, Merkle C, Leitgeb R, Augustin M, Wartak A, Pircher M, et al.
Biomed Opt Express
. 2019 Dec;
10(11):5755-5775.
PMID: 31799045
The high acquisition speed of state-of-the-art optical coherence tomography (OCT) enables massive signal-to-noise ratio (SNR) improvements by signal averaging. Here, we investigate the performance of two commonly used approaches for...