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Tag: BINOCULAR

Introduction
We report the results of a new amblyopia treatment device used in 7 children with anisometropic amblyopia. The Occlu-pad, is our product name in Japan, was created by removing the polarizing film layer from the liquid crystal display screen of an iPad Air (Apple Inc, Cupertino, CA). Patients were asked to wear special glasses that contained a polarizing filter for their amblyopic eye and a light reduction filter for their normal eye and instructed to play an amblyopia training game displayed only to the amblyopic eye. In 5 patients corrected distance visual acuities in the amblyopic eyes improved after 2 months’ treatment on average by 0.38 (logarithm of the minimum angle of resolution).

We are pleased to announce that our study has been published in Journal of AAPOS. For more information about this topic, please see the study linked below.

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Tomoya Handa
Hitoshi Ishikawa
Nobuyuki Shoji
Tetsuya Ikeda
Satoru Totuka
Toshiaki Goseki
Kimiya Shimizu

From Kitasato University, Japan

 

Published on Journal of AAPOS

Introduction
At present, in a clinical setting, we measure only subjective refraction, and that, only for monocular testing. However, in man, vision functions under binocular conditions. The evaluation of visual performance under binocular conditions is important. We recently showed that increased pupil diameter under monocular conditions produces higher wavefront aberrations than under binocular conditions.

We are pleased to announce that our study has been published in Scientific Reports. For more information about this topic, please see the study linked below.

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Hidenaga Kobashi
Kazutaka Kamiya
Tomoya Handa
Wakako Ando
Takushi Kawamorita
Akihito Igarashi
Kimiya Shimizu

From Kitasato University, Japan

 

Published on Scientific Reports

Introduction
For some time we have used a clinical visual acuity test (subjective refraction) only for monocular testing. However, we believe that visual acuity measurements need to be performed under binocular open-view conditions as close to natural viewing conditions as possible.

Subjective refractions without cycloplegia were examined with BLOO (the product name is “Occlupad” in Japan), which modified a tablet device to create a binocular open-view visual acuity test device that would only display images that can be seen by one eye with a polarized lens. BLOO can display the Landolt-C chart on the monitor. To create BLOO, we removed only the polarizing film layer from the liquid crystal display (LCD) screen of a tablet. Thus, unless a subject viewed the screen using a circular polarizing lens, the LCD screen only appeared to produce a white backlight. Designing the polarizing filter to exactly match the polarization meant visual information could only be perceived by a human eye.

We are pleased to announce that our study has been published in Healio.com. For more information about this topic, please see the study linked below.

SEE THE STUDY

 

Tomoya Handa
Nobuyuki Shoji
Kimiya Shimizu

From Kitasato University, Japan

 

Published on Healio.com