![](https://shop-usa.visionix.com/wp-content/uploads/2019/10/WAM-5500-Advanced-scaled.jpg)
The Grand Seiko WAM-5500A Binocular Autorefractor/Keratometer can measure refraction and pupil diameter simultaneously in addition to all of the features present on its sister product, the WR-5100K. It also has the ability to dynamically measure accommodation making it ideal for pediatrics and research applications.
![](https://media.springernature.com/lw685/springer-static/image/art%3A10.1038%2Fs41598-023-47572-0/MediaObjects/41598_2023_47572_Fig2_HTML.png)
Dynamic accommodation measurement using Purkinje reflections and
![](https://0.academia-photos.com/attachment_thumbnails/86823754/mini_magick20220601-26210-1n7xtni.png?1654082267)
PDF) Real-Time Objective Measurement of Accommodation While
![](http://grandseiko.com/cont/wp-content/uploads/2016/03/wmt2-en-003.jpg)
WAM-5500 Binocular Accommodation Auto Ref/Keratometer
![](https://i.ytimg.com/vi/rMSRgUBTFDI/hq720_2.jpg?sqp=-oaymwEYCJUDENAFSFryq4qpAwoIARUAAIhC0AEB&rs=AOn4CLDgJlqH-ify8h44EyzNHBZ1y-IxkA)
Grand Seiko Japan Binocular AR with K : WAM5500 (Operation)
![](https://i1.rgstatic.net/publication/364375956_Validation_of_the_PowerRef_3_for_Measuring_Accommodation_Comparison_With_the_Grand_Seiko_WAM-5500A_Autorefractor/links/63595f7596e83c26eb584ee3/largepreview.png)
PDF) Validation of the PowerRef 3 for Measuring Accommodation
![](https://0.academia-photos.com/attachment_thumbnails/41431010/mini_magick20190219-32720-ejvb2f.png?1550590532)
PDF) Real-Time Objective Measurement of Accommodation While
![](https://www.researchgate.net/profile/Masaru-Miyao/publication/262168810/figure/fig3/AS:669225605685259@1536567226883/WAM-5500_Q320.jpg)
PDF) Evaluating the Legibility of Streoscopic Game Consoles
![](https://www.researchgate.net/publication/364375956/figure/fig2/AS:11431281092361964@1666801537827/Mean-refractive-states-at-each-accommodative-demand-measured-by-the-Grand-Seiko-WAM-5500A_Q320.jpg)
PDF) Validation of the PowerRef 3 for Measuring Accommodation
Measurement of accommodation response of human eye to integral
![](https://shop-usa.visionix.com/wp-content/uploads/2019/10/72-year-old-female-step-test-100x100.png)
WAM-5500 Advanced Dynamic Binocular Accommodating Autorefractor
![](https://shop-usa.visionix.com/wp-content/uploads/2019/10/WAM-5500-Advanced-scaled.jpg)
![](https://cdn11.bigcommerce.com/s-m3o0xhfw9f/products/1796/images/554/ARK-1__83418__76971.1652132514.386.513.jpg?c=1)
![](https://m.media-amazon.com/images/I/61ppsQUGRhL.jpg)
![](https://p7.hiclipart.com/preview/179/108/12/insight-eye-equipment-autorefractor-automated-refraction-system-keratometer-ocular-tonometry-others.jpg)