Efectos sobre el desempeño visual de dos filtros Longpass

Translated title of the contribution: The effects of two longpass filters on visual performance

Federica Cozza, Matteo Monzio Compagnoni, Chiara Airoldi, Chiara Braga, Gabriele Nigrotti, Natalia Vlasak, Silvano Larcher, Fabrizio Zeri, Silvia Tavazzi

Research output: Contribution to journalArticle

Abstract

Purpose: This study compared visual performance and optical properties of three filters. Method: Two groups of twenty adults were recruited: wearers of progressive addition lenses (PAL, 46–73 years) and wearers of single vision lenses (SVL, 26–55 years). Three spectacle filters (Hoya, Japan) were compared: clear control, Standard Drive (STD), and Professional Drive (PRO) lenses. Optical transmittance was measured by a Jasco V-650 spectrophotometer. Best corrected visual acuity (BCVA) was measured in photopic (BCVAphotopic) and mesopic (BCVAmesopic) conditions and under glare (BCVAglare). Photopic contrast sensitivity (CS) was also measured. Results: The three longpass filters show cutoff at 426 ± 2 nm (STD/PRO) and 405 ± 2 nm (clear lens). BCVAglare improved with Drive filters compared to the clear one (p < 0.05) from 0.03 to -0.02 (STD) and to -0.01 (PRO) for PAL and from -0.08 to -0.12 (STD and PRO) for SVL. For PAL, BCVAmesopic improved from 0.15 to 0.12 (STD, p < 0.05) and 0.13 (PRO), while no substantial difference was observed for SVL. CS showed some improvements with Drive lenses at some angular frequencies between 6 and 18 cycles/deg, mainly for the PAL group. No BCVAphotopic differences were found. After testing all filters, each for two weeks, 79% (PAL) and 60% (SVL) of participants preferred Drive lenses. Conclusions: Drive lenses are found to maintain or improve some visual functions compared to the clear lens. The improvement of mesopic visual acuity, visual acuity under glare, and contrast sensitivity is mainly attributed to the reduction of intraocular light scattering as a consequence of the total light attenuation in the spectral range below the cutoff.

Original languageSpanish
JournalJournal of Optometry
Early online date18 Oct 2019
DOIs
Publication statusE-pub ahead of print - 18 Oct 2019

Fingerprint

Lenses
Glare
Contrast Sensitivity
Visual Acuity
Drive
Light
Japan

Bibliographical note

© 2019 Spanish General Council of Optometry. Published by Elsevier España, S.L.U. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

Funding: HOYA Corporation, Tokyo, Japan.

Keywords

  • Contrast sensitivity
  • Glare
  • Longpass
  • Macular pigment
  • Visual acuity

Cite this

Cozza, F., Compagnoni, M. M., Airoldi, C., Braga, C., Nigrotti, G., Vlasak, N., ... Tavazzi, S. (2019). Efectos sobre el desempeño visual de dos filtros Longpass. Journal of Optometry. https://doi.org/10.1016/j.optom.2019.07.001
Cozza, Federica ; Compagnoni, Matteo Monzio ; Airoldi, Chiara ; Braga, Chiara ; Nigrotti, Gabriele ; Vlasak, Natalia ; Larcher, Silvano ; Zeri, Fabrizio ; Tavazzi, Silvia. / Efectos sobre el desempeño visual de dos filtros Longpass. In: Journal of Optometry. 2019.
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abstract = "Purpose: This study compared visual performance and optical properties of three filters. Method: Two groups of twenty adults were recruited: wearers of progressive addition lenses (PAL, 46–73 years) and wearers of single vision lenses (SVL, 26–55 years). Three spectacle filters (Hoya, Japan) were compared: clear control, Standard Drive (STD), and Professional Drive (PRO) lenses. Optical transmittance was measured by a Jasco V-650 spectrophotometer. Best corrected visual acuity (BCVA) was measured in photopic (BCVAphotopic) and mesopic (BCVAmesopic) conditions and under glare (BCVAglare). Photopic contrast sensitivity (CS) was also measured. Results: The three longpass filters show cutoff at 426 ± 2 nm (STD/PRO) and 405 ± 2 nm (clear lens). BCVAglare improved with Drive filters compared to the clear one (p < 0.05) from 0.03 to -0.02 (STD) and to -0.01 (PRO) for PAL and from -0.08 to -0.12 (STD and PRO) for SVL. For PAL, BCVAmesopic improved from 0.15 to 0.12 (STD, p < 0.05) and 0.13 (PRO), while no substantial difference was observed for SVL. CS showed some improvements with Drive lenses at some angular frequencies between 6 and 18 cycles/deg, mainly for the PAL group. No BCVAphotopic differences were found. After testing all filters, each for two weeks, 79{\%} (PAL) and 60{\%} (SVL) of participants preferred Drive lenses. Conclusions: Drive lenses are found to maintain or improve some visual functions compared to the clear lens. The improvement of mesopic visual acuity, visual acuity under glare, and contrast sensitivity is mainly attributed to the reduction of intraocular light scattering as a consequence of the total light attenuation in the spectral range below the cutoff.",
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Cozza, F, Compagnoni, MM, Airoldi, C, Braga, C, Nigrotti, G, Vlasak, N, Larcher, S, Zeri, F & Tavazzi, S 2019, 'Efectos sobre el desempeño visual de dos filtros Longpass', Journal of Optometry. https://doi.org/10.1016/j.optom.2019.07.001

Efectos sobre el desempeño visual de dos filtros Longpass. / Cozza, Federica; Compagnoni, Matteo Monzio; Airoldi, Chiara; Braga, Chiara; Nigrotti, Gabriele; Vlasak, Natalia; Larcher, Silvano; Zeri, Fabrizio; Tavazzi, Silvia.

In: Journal of Optometry, 18.10.2019.

Research output: Contribution to journalArticle

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T1 - Efectos sobre el desempeño visual de dos filtros Longpass

AU - Cozza, Federica

AU - Compagnoni, Matteo Monzio

AU - Airoldi, Chiara

AU - Braga, Chiara

AU - Nigrotti, Gabriele

AU - Vlasak, Natalia

AU - Larcher, Silvano

AU - Zeri, Fabrizio

AU - Tavazzi, Silvia

N1 - © 2019 Spanish General Council of Optometry. Published by Elsevier España, S.L.U. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/). Funding: HOYA Corporation, Tokyo, Japan.

PY - 2019/10/18

Y1 - 2019/10/18

N2 - Purpose: This study compared visual performance and optical properties of three filters. Method: Two groups of twenty adults were recruited: wearers of progressive addition lenses (PAL, 46–73 years) and wearers of single vision lenses (SVL, 26–55 years). Three spectacle filters (Hoya, Japan) were compared: clear control, Standard Drive (STD), and Professional Drive (PRO) lenses. Optical transmittance was measured by a Jasco V-650 spectrophotometer. Best corrected visual acuity (BCVA) was measured in photopic (BCVAphotopic) and mesopic (BCVAmesopic) conditions and under glare (BCVAglare). Photopic contrast sensitivity (CS) was also measured. Results: The three longpass filters show cutoff at 426 ± 2 nm (STD/PRO) and 405 ± 2 nm (clear lens). BCVAglare improved with Drive filters compared to the clear one (p < 0.05) from 0.03 to -0.02 (STD) and to -0.01 (PRO) for PAL and from -0.08 to -0.12 (STD and PRO) for SVL. For PAL, BCVAmesopic improved from 0.15 to 0.12 (STD, p < 0.05) and 0.13 (PRO), while no substantial difference was observed for SVL. CS showed some improvements with Drive lenses at some angular frequencies between 6 and 18 cycles/deg, mainly for the PAL group. No BCVAphotopic differences were found. After testing all filters, each for two weeks, 79% (PAL) and 60% (SVL) of participants preferred Drive lenses. Conclusions: Drive lenses are found to maintain or improve some visual functions compared to the clear lens. The improvement of mesopic visual acuity, visual acuity under glare, and contrast sensitivity is mainly attributed to the reduction of intraocular light scattering as a consequence of the total light attenuation in the spectral range below the cutoff.

AB - Purpose: This study compared visual performance and optical properties of three filters. Method: Two groups of twenty adults were recruited: wearers of progressive addition lenses (PAL, 46–73 years) and wearers of single vision lenses (SVL, 26–55 years). Three spectacle filters (Hoya, Japan) were compared: clear control, Standard Drive (STD), and Professional Drive (PRO) lenses. Optical transmittance was measured by a Jasco V-650 spectrophotometer. Best corrected visual acuity (BCVA) was measured in photopic (BCVAphotopic) and mesopic (BCVAmesopic) conditions and under glare (BCVAglare). Photopic contrast sensitivity (CS) was also measured. Results: The three longpass filters show cutoff at 426 ± 2 nm (STD/PRO) and 405 ± 2 nm (clear lens). BCVAglare improved with Drive filters compared to the clear one (p < 0.05) from 0.03 to -0.02 (STD) and to -0.01 (PRO) for PAL and from -0.08 to -0.12 (STD and PRO) for SVL. For PAL, BCVAmesopic improved from 0.15 to 0.12 (STD, p < 0.05) and 0.13 (PRO), while no substantial difference was observed for SVL. CS showed some improvements with Drive lenses at some angular frequencies between 6 and 18 cycles/deg, mainly for the PAL group. No BCVAphotopic differences were found. After testing all filters, each for two weeks, 79% (PAL) and 60% (SVL) of participants preferred Drive lenses. Conclusions: Drive lenses are found to maintain or improve some visual functions compared to the clear lens. The improvement of mesopic visual acuity, visual acuity under glare, and contrast sensitivity is mainly attributed to the reduction of intraocular light scattering as a consequence of the total light attenuation in the spectral range below the cutoff.

KW - Contrast sensitivity

KW - Glare

KW - Longpass

KW - Macular pigment

KW - Visual acuity

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Cozza F, Compagnoni MM, Airoldi C, Braga C, Nigrotti G, Vlasak N et al. Efectos sobre el desempeño visual de dos filtros Longpass. Journal of Optometry. 2019 Oct 18. https://doi.org/10.1016/j.optom.2019.07.001