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00006_Field_6.txt
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1997-10-29
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361b
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14 lines
MEASURING THE MOVEMENT OF A CONTACT LENS
The same method can be used to
measure the movement of a
contact lens. For example with
a soft lens, a spot size of 0.2 mm
to 1 mm can be used. The amount
of movement of the edge in
relation to the spot size with a
blink can be determined. The
spot size in this segment is
0.3 mm.