| 摘要 |
A perimeter for visual examination has a head restraint and a control panel. Located on a unit base is an optical system, in which there is an optical examination system with an eyepiece. The optical system is movably mounted on the unit base and can be adjusted by means of at least one drive. The optical system can be tracked for precise positioning with respect to the eye being examined. The perimeter makes it possible to position the optical system in essentially any desired position.
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