Binocular vision measurements with a new online digital platform: comparison with conventional clinical measures

Mena-Guevara, Kevin J; de Fez, Dolores; Molina-Martín, Ainhoa; Piñero, David P

doi:10.1080/08164622.2023.2277880

Clinical and Experimental Optometry

2023

DOI: 10.1080/08164622.2023.2277880

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Binocular vision measurements with a new online digital platform: comparison with conventional clinical measures

Kevin J Mena-Guevara,

Dolores de Fez,

Ainhoa Molina-Martín

et al.

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2024

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Cited by 2 publications

References 30 publications

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Visual Performance of Children with Amblyopia after 6 Weeks of Home-Based Dichoptic Visual Training

Piñero,

Gil-Casas,

Hurtado-Ceña

et al. 2024

Children

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Objectives: This study was aimed at analyzing the efficacy on the improvement of the visual function of a dichoptic online cloud-based platform for the treatment of amblyopia in anisometropic children. Methods: A quasi-experimental (pretest–post-test) study was conducted in 23 subjects with ages from 5 to 15 years old with anisometropic amblyopia combined with additional presence (2 subjects) or not (21 subjects) of microtropia. A total of 30 home-based training sessions of 30 min per session with Bynocs® platform were prescribed for 6 weeks. Results: Amblyopic eye logMAR visual acuity (VA) significantly improved from 0.28 ± 0.24 to 0.13 ± 0.20 after the 6-week treatment (p < 0.001). At baseline, 60.9% of participants had VA in amblyopic eye of 0.20 logMAR or worse, whereas this percentage decreased to 21.7% after treatment. Binocular function (BF) significantly improved from 2.82 ± 1.11 to 2.32 ± 0.94 (p < 0.001). Mean compliance was 92%, 87% and 93% at 2, 4 and 6 weeks of treatment, respectively. Conclusions: In conclusion, home-based dichoptic training with the digital platform evaluated is an effective method to improve amblyopic VA and stereoacuity in children with anisometropic amblyopia combined or not with microtropia.

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Visual Performance of Children with Amblyopia after 6 Weeks of Home-Based Dichoptic Visual Training

Piñero,

Gil-Casas,

Hurtado-Ceña

et al. 2024

Children

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The Measurement of Contrast Sensitivity in Near Vision: The Use of a Digital System vs. a Conventional Printed Test

Mena-Guevara,

Piñero,

Luque

et al. 2024

Technologies

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In recent years, there has been intense development of digital diagnostic tests for vision. All of these tests must be validated for clinical use. The current study enrolled 51 healthy individuals (age 19–72 years) in which achromatic contrast sensitivity function (CSF) in near vision was measured with the printed Vistech VCTS test (Stereo Optical Co., Inc., Chicago, IL, USA) and the Optopad-CSF (developed by our research group to be used on an iPad). Likewise, chromatic CSF was evaluated with a digital test. Statistically significant differences between tests were only found for the two higher spatial frequencies evaluated (p = 0.012 and <0.001, respectively). The mean achromatic index of contrast sensitivity (ICS) was 0.02 ± 1.07 and −0.76 ± 1.63 for the Vistech VCTS and Optopad tests, respectively (p < 0.001). The ranges of agreement between tests were 0.55, 0.76, 0.78, and 0.69 log units for the spatial frequencies of 1.5, 3, 6, and 12 cpd, respectively. The mean chromatic ICS values were −20.56 ± 0.96 and −0.16 ± 0.99 for the CSF-T and CSF-D plates, respectively (p < 0.001). Furthermore, better achromatic, red–green, and blue–yellow CSF values were found in the youngest groups. The digital test allows the fast measurement of near-achromatic and chromatic CSF using a colorimetrically calibrated iPad, but the achromatic measures cannot be used interchangeably with those obtained with a conventional printed test.

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Binocular vision measurements with a new online digital platform: comparison with conventional clinical measures

Cited by 2 publications

References 30 publications

Visual Performance of Children with Amblyopia after 6 Weeks of Home-Based Dichoptic Visual Training

Visual Performance of Children with Amblyopia after 6 Weeks of Home-Based Dichoptic Visual Training

The Measurement of Contrast Sensitivity in Near Vision: The Use of a Digital System vs. a Conventional Printed Test

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