Visual acuity in two-photon infrared vision

Autors: PABLO ARTAL, SILVESTRE MANZANERA, KATARZYNA KOMAR, ADRIÁN GAMBÍN-REGADERA, MACIEJ WOJTKOWSKI
Journal: Optica (OSA)
Volume: 4 (No. 12)
Pages: 1488 – 1491 (121488-04)
Year: 2017
ISBN: 2334-2536

 

 
Abstract
Humans can detect infrared light at wavelengths over 1000 nm, perceived as visible light of the corresponding half wavelength. This is due to a two-photon (2P) absorption process, which requires sufficiently large amounts […]

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Design of an accurate and high-speed binocular pupil tracking system based on GPGPUs

Autors: Juan Mompeán, Juan L. Aragón, Pedro M. Prieto, Pablo Artal
Journal: The Journal of Supercomputing
Volume: 74 (Issue 5)
Pages: 1836–1862
Year: 2017
ISBN: 0920-8542 (online ISSN:1573-0484)

 
Abstract
An efficient and robust pupil tracking system is an important tool in visual optics and ophthalmology. It is also central to techniques for gaze tracking, of use in psychological and medical research, […]

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Comparison of second harmonic microscopy images of collagen-based ocular tissues with 800 and 1045 nm

Autors: Juan M. Bueno, Francisco J. Ávila, and Pablo Artal
Journal: Biomedical Optics Express
Volume: 8 (11)
Pages: 5065-5074
Year: 2017
ISBN: 2156-7085

 
 
Abstract
Second harmonic generation (SHG) imaging is a well-suited multiphoton technique allowing visualization of biological tissues mainly composed of collagen with submicron resolution. Despite its inherent confocal properties, imaging of deeper layers within thick samples has still […]

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Variability in angle k and its influence on higher-order aberrations in pseudophakic eyes

Autors: Annette Harrer, Nino Hirnschall, Juan Tabernero, Pablo Artal, Petra Draschl, Sophie Maedel, Oliver Findl
Journal: Journal of Cataract Refract Surgery
Volume: 43 (8)
Pages: 1015–1019
Year: 2017
ISBN: 0886-3350

 

 

Purpose: To observe the variability in angle k in pseudophakic
patients and assess its correlation with optical biometry measurements
and higher-order aberrations (HOAs).
Setting: Hanusch Hospital, Vienna, Austria.
Design: Prospective case series.
Methods: This study included patients who […]

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Comparison of intraocular lens decentration and tilt measurements using 2 Purkinje meter systems

Autors: Sophie Maedel, Nino Hirnschall, Natascha Bayer, Sabine Markovic, Juan Tabernero, Pablo Artal, Frank Schaeffel, Oliver Findl
Journal: Journal of Cataract & Refractive Surgery
Volume: 43 (Issue5)
Pages: 648–655
Year: 2017
ISBN: 0886-3350

 

Purpose: To evaluate the difference in intraocular lens tilt and decentration measurements with 2 Purkinje meters.

Setting: Vienna Institute for Research in Ocular Surgery, Hanusch Hospital, Vienna, Austria.

Design: Prospective evaluation of […]

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