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Life
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Vision Science and Optometry: 2nd Edition
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Vision Science and Optometry: 2nd Edition

A special issue of Life (ISSN 2075-1729). This special issue belongs to the section "Medical Research".

Deadline for manuscript submissions: 31 March 2026 | Viewed by 660

Special Issue Editors

Dr. Ana Sanchez-Cano

E-Mail Website
Guest Editor
Department of Applied Physics, University of Zaragoza, 50009 Zaragoza, Spain
Interests: lighting; optometry; visual optics; circadian light; color vision; aberrometry; accommodation
Special Issues, Collections and Topics in MDPI journals
Dr. Elvira Orduna-Hospital

E-Mail Website
Guest Editor
Department of Applied Physics, University of Zaragoza, 50009 Zaragoza, Spain
Interests: binocular vision; eye movements; eye tracking; retina; choroid; OCT; OCTA; accommodation
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The first edition of this Special Issue was a great success. Now, we invite you to publish in the second edition. (https://www.mdpi.com/journal/life/special_issues/1PVL35F9YK)

This Special Issue focuses on advancements in optometry and visual sciences. It encompasses binocular vision, eye movements, eye tracking, anterior and posterior pole examination, accommodation, lighting effects, circadian light, color vision, aberrometry, and developments in the fields of ocular surface, contact lenses, and refractive surgery. Researchers in vision sciences, eye care providers, ophthalmologists, and optometrists require access to cutting-edge information to enhance their clinical practices. However, with the demands of daily patient care, staying updated with the latest developments in visual optics can be challenging. Therefore, this Special Issue aims to disseminate the most recent findings and advances in these disciplines to professionals.

Research is crucial for ensuring improved clinical outcomes through knowledge accumulation, innovation, and continuous improvement. This Special Issue welcomes original research and comprehensive reviews on recent progress in advanced optometry, clinical studies, and innovative approaches in ocular health.

Dr. Ana Sanchez-Cano
Dr. Elvira Orduna-Hospital
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Life is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • clinical optometry
  • eye movements and binocular vision
  • aberrometry
  • accommodation
  • color vision
  • anterior and posterior pole
  • circadian light

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Further information on MDPI's Special Issue policies can be found here.

Published Papers (1 paper)

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Research

12 pages, 684 KiB  
Article
Age-Related Effects on the Color Discrimination Threshold
by Ali Almustanyir, Mohammed Alhazmi, Amal Aldarwesh, Meznah S. Almutairi, Mohammed Almahubi, Ansam Alateeq, Tahani Alqahtani, Muteb Alanazi, Sultan Alotaibi, Mansour Alghamdi, Essam Almutleb, Basal H. Altoaimi, Balsam Alabdulkader and Mosaad Alhassan
Life 2025, 15(7), 1074; https://doi.org/10.3390/life15071074 - 5 Jul 2025
Viewed by 501
Abstract
Traditional color vision tests lack the sensitivity to detect subtle differences in individuals with normal color vision. The Konan ColorDx Cone Contrast Threshold (CCT) HD test allows the quantitative measurement of color discrimination thresholds for each cone type. This cross-sectional study established normative [...] Read more.
Traditional color vision tests lack the sensitivity to detect subtle differences in individuals with normal color vision. The Konan ColorDx Cone Contrast Threshold (CCT) HD test allows the quantitative measurement of color discrimination thresholds for each cone type. This cross-sectional study established normative values for L-, M-, and S-cone contrast sensitivities and evaluated the effects of age and sex on color discrimination thresholds. Participants aged 15–79 years with normal color vision were included (n = 216; 55% female). CCTs were measured monocularly using the Konan ColorDx CCT HD test under standardized conditions, and the influences of age and sex on L-, M-, and S-cone sensitivities were evaluated. In all groups, L-cone sensitivity was the highest, followed by the M- and S-cone sensitivities. Overall contrast sensitivity was significantly higher in females than in males (mean difference = −0.041), especially for adolescents and young adults (20–24 years). Young adults outperformed middle-aged and older adults, with age-related decline most pronounced for S-cone sensitivity in those over 60. The right and left eye sensitivities did not differ. This study provides age- and sex-stratified normative data for the Konan Color Dx CCT HD test, supporting its use for clinical and occupational assessments. Full article
(This article belongs to the Special Issue Vision Science and Optometry: 2nd Edition)
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