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Peripheral resolution and contrast sensitivity: effects of monochromatic and chromatic aberrations
KTH, School of Engineering Sciences (SCI), Applied Physics, Biomedical and X-ray Physics.ORCID iD: 0000-0002-2155-7030
KTH, School of Engineering Sciences (SCI), Applied Physics, Biomedical and X-ray Physics.
KTH, School of Engineering Sciences (SCI), Applied Physics, Biomedical and X-ray Physics.
KTH, School of Engineering Sciences (SCI), Applied Physics, Biomedical and X-ray Physics.ORCID iD: 0000-0003-4149-4556
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2019 (English)In: Optical Society of America. Journal A: Optics, Image Science, and Vision, ISSN 1084-7529, E-ISSN 1520-8532, Vol. 36, no 4, p. B52-B57Article in journal (Refereed) Published
Abstract [en]

Correction and manipulation of peripheral refractive errors are indispensable for people with central vision loss and in optical interventions for myopia control. This study investigates further enhancements of peripheral vision by compensating for monochromatic higher-order aberrations (with an adaptive optics system) and chromatic aberrations (with a narrowband green filter, 550 nm) in the 20 degrees nasal visual field. Both high-contrast detection cutoff and contrast sensitivity improved with optical correction. This improvement was most evident for gratings oriented perpendicular to the meridian due to asymmetric optical errors. When the natural monochromatic higher-order aberrations are large, resolution of 10% contrast oblique gratings can also be improved with correction of these errors. Though peripheral vision is mainly limited by refractive errors and neural factors, higher-order aberration correction beyond conventional refractive errors can still improve peripheral vision under certain circumstances.

Place, publisher, year, edition, pages
Optical Society of America, 2019. Vol. 36, no 4, p. B52-B57
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Physical Sciences
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URN: urn:nbn:se:kth:diva-249861DOI: 10.1364/JOSAA.36.000B52ISI: 000462844800008OAI: oai:DiVA.org:kth-249861DiVA, id: diva2:1306530
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QC 20190424

Available from: 2019-04-24 Created: 2019-04-24 Last updated: 2019-04-24Bibliographically approved

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Venkataraman, Abinaya PriyaPapadogiannis, PetrosRomashchenko, DmitryWinter, SimonUnsbo, PeterLundström, Linda

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Venkataraman, Abinaya PriyaPapadogiannis, PetrosRomashchenko, DmitryWinter, SimonUnsbo, PeterLundström, Linda
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Optical Society of America. Journal A: Optics, Image Science, and Vision
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