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Overview ISO 8598-1:2014 - "Optics and optical instruments - Focimeters - Part 1: General purpose instruments" - defines requirements and test methods for general-purpose focimeters used in the ophth…
1 Scope This part of ISO 8598 specifies requirements and test methods for general purpose focimeters designed for the measurement of vertex powers, cylinder axis, prismatic power and prism base setti…