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Instrument for fast whole-field peripheral refraction in the human eye

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dc.contributor.advisorFernandez, Enrique J.
dc.contributor.authorFernandez, Enrique J.
dc.contributor.authorSager, Santiago
dc.contributor.authorLin, Zhenghua
dc.contributor.authorHao, Jiangdong
dc.contributor.authorRoca, Javier
dc.contributor.authorPrieto, Pedro M.
dc.contributor.authorYang, Zhikuang
dc.contributor.authorLan, Weizhong
dc.contributor.authorArtal, Pablo
dc.contributor.departmentFísica
dc.date.accessioned2024-01-31T09:50:29Z
dc.date.available2024-01-31T09:50:29Z
dc.date.issued2022
dc.description©<2022>. This manuscript version is made available under the CC-BY-NC 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/ This document is the, Published, version of a Published Work that appeared in final form in Biomedical Optics Express. To access the final edited and published work see: https://doi.org/10.1364/BOE.457686
dc.description.abstractAn instrument for fast and objective measurement of the peripheral refraction in the human eye is presented. The apparatus permits the automatic estimation of both defocus and astigmatism at any retinal eccentricity by scanning a near infrared beam. The design includes a Hartmann-Shack wavefront sensor and a steering mirror, which operate in combination with a compounded eyepiece for wide field operation. The basic scanning protocol allows the estimation of refraction in a circular retinal patch of 50 deg diameter (±25 from central fixation) in 3 sec. Combined with additional fixation points, wider retinal fields can be sampled to achieve a whole field. The instrument underwent calibration and testing, and its performance for real eyes was assessed in 11 subjects of varying age and refraction. The results show high repeatability and precision. The instrument provides a new tool for the investigation of peripheral optics in the human eye.es
dc.formatapplication/pdfes
dc.format.extent13es
dc.identifier.citationBiomedical Optics Express Vol. 13, Issue 5, pp. 2947-2959 (2022)
dc.identifier.doihttps://doi.org/10.1364/BOE.457686
dc.identifier.issnElectronic 2156-7085
dc.identifier.urihttp://hdl.handle.net/10201/138262
dc.languageenges
dc.publisherOptica Publishing Groupes
dc.relationIntramural grant by Aier Eye Hospital Group (AR1903D2); Key Project of Research and Development Plan of Hunan Province (2019SK2051); Fundación Séneca (19897/GERM/15); Agencia Estatal de Investigación (PID2019-105684RB-I00/AEI/10.13039/501100011033).es
dc.relation.publisherversionhttps://opg.optica.org/boe/fulltext.cfm?uri=boe-13-5-2947&id=471614es
dc.rightsinfo:eu-repo/semantics/openAccesses
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 Internacional*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/*
dc.subjectOptical instrumentses
dc.subjectVisual opticses
dc.subjectPeripheral refractiones
dc.subject.otherCDU::5 - Ciencias puras y naturales::53 - Física::535 - Ópticaes
dc.titleInstrument for fast whole-field peripheral refraction in the human eyees
dc.typeinfo:eu-repo/semantics/articlees
dspace.entity.typePublicationes
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