Eye contact is essential for human interactions. We investigated whether humans are able to avoid eye contact while navigating crowds. At a science festival, we fitted 62 participants with a wearable eye tracker and instructed them to walk a route. Half of the participants were further instructed to avoid eye contact. We report that humans can flexibly allocate their gaze while navigating crowds and avoid eye contact primarily by orienting their head and eyes towards the floor. We discuss implications for crowd navigation and gaze behavior. In addition, we address a number of issues encountered in such field studies with regard to data quality, control of the environment, and participant adherence to instructions. We stress that methodological innovation and scientific progress are strongly interrelated.
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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9630249 | PMC |
http://dx.doi.org/10.3758/s13414-022-02541-z | DOI Listing |
Ophthalmic Plast Reconstr Surg
January 2025
Department of Ophthalmology, Warrington Hospital, Warrington, United Kingdom.
Purpose: The study aimed to assess the efficacy and recurrence rate of everting sutures as a sole procedure in entropion repair, its impact on quality of life during the coronavirus disease pandemic, and to determine if this procedure remains an option to offer after the pandemic.
Design: Retrospective clinical cohort study.
Methods: Retrospective study of 58 patients who had everting sutures for entropion repair over a 1-year period.
Eye Vis (Lond)
January 2025
Contact Lens and Visual Optics Laboratory, Optometry and Vision Science, Centre for Vision and Eye Research, Queensland University of Technology, Brisbane, Australia.
Purpose: To explore the associations between myopia defocus dosage (MDD), aberration coefficients (primary spherical aberration and coma), and axial elongation in children undergoing orthokeratology (ortho-k) with back optic zone diameters (BOZD) of 5 mm and 6 mm over 2 years.
Methods: Data from 80 participants from two ortho-k studies were analyzed: 22 and 58 children wore lenses with 5-mm and 6-mm BOZD, respectively. Four MDD metrics were calculated from corneal topography data over a 5-mm pupil for the 1-month and 24-month visits: the circumferential, flat, steep, and volumetric MDD.
Sci Rep
January 2025
Department of Clinical Medicine, Aarhus University, Aarhus N, DK-8200, Denmark.
Spectacles and contact lenses are important for conducting a normal life in a large part of the general population. The purpose of this study was to estimate the use of these refractive aids in a normal adult population, and to identify characteristics of persons who should be targeted in order to improve uncorrected refraction. In the FORSYN study, 10,350 citizens representative for the adult Danish population were invited for a non-cycloplegic eye examination.
View Article and Find Full Text PDFJ AAPOS
December 2024
Department of Ophthalmology, Boston Children's Hospital, Massachusetts Eye and Ear, Harvard Medical School, Boston, Massachusetts; Picower Institute for Learning and Memory, Massachusetts Institute of Technology, Cambridge, Massachusetts. Electronic address:
Ocular torticollis is traditionally attributed to eye misalignment, nystagmus, ptosis, or refractive error. We present 3 pediatric cases of acquired torticollis caused by a foreign body beneath the upper eyelid. The head posturing presumably developed to minimize contact of the foreign body with the corneal surface and mitigate ocular discomfort.
View Article and Find Full Text PDFTurk J Ophthalmol
December 2024
Muğla Sıtkı Koçman University Faculty of Medicine, Department of Ophthalmology, Muğla, Türkiye.
Objectives: To compare the efficacy of two different silicone hydrogel bandage contact lenses (BCLs) in terms of visual rehabilitation and ocular discomfort following photorefractive keratectomy (PRK).
Materials And Methods: This prospective study included 60 eyes of 30 patients who underwent bilateral PRK surgery to correct myopia and/or astigmatism refractive errors. Following surgery, lotrafilcon A BCLs were applied to the right eye and senofilcon A BCLs were applied to the left eye.
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