Apparatus for the production of an ophthalmic lens
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United States of America Patent
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-
Feb 9, 1988
Grant Date -
N/A
app pub date -
Nov 25, 1986
filing date -
Nov 25, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Apparatus for the positional control of the edge grinding of an ophthalmic lens to a desired peripheral shape is effected by a control computer which processes and stores data representative of a pattern which delineates the peripheral shape of the lens. The data is derived by rotating a linear image sensor about an axis passing through a support for a pattern which delineates the required shape. The sensor generates pixel data which is processed and stored by the control computer for use for selective control of a lens periphery grinder.
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