arc of contact

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arc of contact

An obsolete term for the variable distance on the surface of the eyeball on which the bulbar muscles rest prior to inserting in the external scleral surface behind the cornea.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

arc of contact 

That portion of an extraocular muscle which wraps around the surface of the globe prior to the insertion of its tendon into the sclera. The point where the muscle first comes into contact with the globe is called the contact point. The arc of contact continually alters its length as the eye rotates. Syn. contact arc.
Millodot: Dictionary of Optometry and Visual Science, 7th edition. © 2009 Butterworth-Heinemann
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If other conditions are kept unchanged, the increasing r will increase the length of contact arc and unit pressure.
Contact ARC at its web site, www.arcweb.com, or call 781-471-1120 for more info.
The gigs are a sell-out but you can join a waiting list for any last-minute ticket availability, contact Arc's box office 01642 525199.
Contact Arc's box office 01642 525199 head to www.arconline.co.uk for details.
Contact ARC on 01642 525199 or Tees |Music Alliance on 01642 606525 for tickets.
For more information or to book, contact ARC box office on 01642 525199 or www.arconline.co.uk.
* For more information on any of the events or to book tickets for the Wildcat Sessions, contact Arc on 01642 525199 or www.arconline.co.uk.
Parents must contact Arc in advance for more information on each event before booking a place on 01642 525199.
* For further details contact Arc on 01642 525199, 525180 or e mail info@arconline.co.uk.
* For information contact Arc box office on 01642 525199 or inquiries on 01642 525180.