OPHTHALMIC MARKING DEVICE

An ophthalmic marker having a U-shaped yoke (33) at one end of a cranked axle (42) is disclosed. The axle (42) is rotatable mounted with a co-axial cylindrical handle (31). The other end of the axle extends beyond the handle and is bifurcated. A plumb bob (38) having a sphere (40) and a stem (39) is...

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1. Verfasser: WHITEHOUSE GEOFFREY MARK
Format: Patent
Sprache:eng
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Zusammenfassung:An ophthalmic marker having a U-shaped yoke (33) at one end of a cranked axle (42) is disclosed. The axle (42) is rotatable mounted with a co-axial cylindrical handle (31). The other end of the axle extends beyond the handle and is bifurcated. A plumb bob (38) having a sphere (40) and a stem (39) is pivotally mounted on the bifurcated end of the axle (42). The yoke (33) has three marker points (34-36) the upper two (35, 36) of which are maintained in a horizontal plane by a gravitational force urging the plumb bob (38) into a vertical plane notwithstanding the handle (31) not being held exactly horizontal. A method of eye marking and marker making are also disclosed.