| negative convergence | The slight divergence of the visual axes when convergence is at rest, as when observing the far point or during sleep. (05 Mar 2000) |
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| far point of convergence | The point to which the visual lines are directed when convergence is at rest. (05 Mar 2000) |
| unit of convergence | See: meter angle. (05 Mar 2000) |
| unit of ocular convergence | The amount of convergence required to view binocularly an object 1 meter distant and exerting 1 diopter of accommodation. Synonym: unit of ocular convergence. (05 Mar 2000) |