Method and system for prescribing and/or dispensing ophthalmic lenses
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United States of America Patent
Stats
-
Dec 7, 2004
Grant Date -
Jun 12, 2003
app pub date -
Oct 9, 2002
filing date -
Feb 25, 2000
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A system and method for prescribing and/or dispensing ophthalmic lenses for a wearer. The method includes determining at least the wearer's individual visual behavioural patterns in terms of head movement and/or eye movement, processing those patterns with respect to a predetermined relationship between known head movements and/or eye movement characteristics and available ophthalmic lenses, such that the processing categorises wearers into a head movement or eye movement category that can then be used to produce a recommendation for an ophthalmic lens for the wearer. The system includes a transmitter unit (10), receivers on the user (12, 14) providing data to the interface (16). During a test a standard set of frames (18) are used, as are near (20) and intermediate (22) distance reading planes.
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