Jackson Cross Cylinder for Ophthalmologist
Description
- Handle material: metal
- Lens material: glass
- Rim material: metal
- Rim Color: silver
- Diopters: -0.25 / -0.50 D
- Size: 108 (length) * Ø38 mm
- Total weight: 50g
- Quality class: 1 (highest)
Description
Cross-cylinder is a device designed to determine the position of the axes of astigmatism. Consists of two cylindrical lenses of equal refractive power.
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