Jackson Cross Cylinders

The Jackson Cross Cylinders are essential tools used during trial frame refraction to refine astigmatism correction. 

• Available in different powers (positive and negative) for precise astigmatism testing
• Comes as a set of 2, ideal for optometric practices
• Standard 38mm diameter, compatible with most trial frame setups
• Durable construction ensures long-term use during refraction exams
• A vital tool for eye care professionals in refining patient prescriptions

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