Apparatus to measure accommodation of the eye


A device for measuring a user's range of clear focus (accommodation) comprising: a display for displaying a test image to the user at a first size; a sensor for determining the separation between the display and the user; and a processor for determining the angular subtence of the image to the user and to resize the test image in order to substantially maintain the angular subtence of the image when the separation between the display and the user is varied.

Publication DOI: A61B3/032
Divisions: Life & Health Sciences > Ophthalmic Research Group
Life & Health Sciences
Life & Health Sciences > Vision, Hearing and Language
Life & Health Sciences > Optometry
Engineering & Applied Sciences > Mechanical Engineering & Design
Engineering & Applied Sciences
Additional Information: Patent not maintained
Full Text Link: http://worldwid ... 36A1&KC=A1&ND=4
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PURE Output Type: Patent
Published Date: 2010-09-14
Authors: Wolffsohn, James ( 0000-0003-4673-8927)
Prince, Mark ( 0000-0002-3709-099X)
Watkins, James

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