Utilize este identificador para referenciar este registo:
https://hdl.handle.net/1822/85567
Título: | Compensation effect between corneal and internal aberrations during a computer task |
Autor(es): | Gomes, Jessica Goncalves, Andreia Franco, Sandra |
Palavras-chave: | Ocular accommodation Corneal aberration Internal aberration Computer reading task Compensation effect |
Data: | 1-Jan-2019 |
Editora: | Society of Photo-optical Instrumentation Engineers (SPIE) |
Revista: | Proceedings of SPIE |
Citação: | Jessica Gomes, Andreia Gonçalves, and Sandra Franco "Compensation effect between corneal and internal ocular aberrations during a computer task", Proc. SPIE 11207, Fourth International Conference on Applications of Optics and Photonics, 112071M (3 October 2019); https://doi.org/10.1117/12.2527409 |
Resumo(s): | This study aimed to investigate if the compensation effect that exists between cornea and the internal optics of the eye changes with a computer near vision task.Nineteen emmetropic students of University of Minho (19 eyes) with a mean age of 22.7 years old (range from 19 to 25 years old) performed a computer reading task (with an accommodative demand of 2.50 D) for 30 minutes. Ocular and corneal aberrations were measured immediately before and after the task using the Visionix VX 120 (VisionixLuneau,Chartes,France) equipment. The results were evaluated for a 5 mm pupil diameter.The compensation factor was computed from the RMS values of the low order aberrations (LOA) 3rd order to 6th order aberrations, coma, spherical aberrations (SA) and high order aberrations (HOA).Results showed a decrease in the compensation factor for LOA, third order aberration and coma but others suffer no changes. It seems that there was an interaction between corneal and internal aberrations during the computer near vision. The visual system seems to adapt to compensate the changes provoked by the task, leading to a diminution of total ocular aberrations, allowing a reduction of ocular optical quality with the task less intensified. |
Tipo: | Artigo em ata de conferência |
URI: | https://hdl.handle.net/1822/85567 |
ISBN: | 9781510631632 |
DOI: | 10.1117/12.2527409 |
ISSN: | 0277-786X |
Versão da editora: | https://doi.org/10.1117/12.2527409 |
Arbitragem científica: | yes |
Acesso: | Acesso restrito UMinho |
Aparece nas coleções: | ASSESSMENT AND ENHANCING VISUAL PERFORMANCE (2018 - ...) |
Ficheiros deste registo:
Ficheiro | Descrição | Tamanho | Formato | |
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112071M.pdf Acesso restrito! | 326,55 kB | Adobe PDF | Ver/Abrir |