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