Description

2 with opposite axial refractive power, usually for astigmatism. Place the cross cylindrical lens on the cylindrical lens money to make an axis coincide with the cylindrical lens axis, and then reverse the cross cylindrical lens to rotate the axis 90 degrees.

Optometry Lens ,Test Tool ,25 Diopter Lens ,Diopter Lense ,Diopters ,Test Diopter ,50 Diopter Lens ,Cylinder Lens Tool , ,Cross Cylinder Lens

Feature

- Color: As shown.
- Material: Copper and Glass.
- Size: About 10.8*3.8*0.4cm.
- Handle Length: About 70mm.
- and .
- Made of copper and glass material.
- When correcting the axial direction, the two axes of the cross cylindrical can be placed at 45 degrees of the cylindrical .
- Use for Optometry.
cross cylindrical lens

4 * Cross Cylinder Lens

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