Keywords: Polar diagram of vectors for SimK, refraction, and ORA.jpg en wikipedia 2013 July 23 This polar diagram shows vectors for simulated keratometry SimK the positive cylinder of the manifest refraction at the corneal plane R and the calculated ocular residual astigmatism ORA The length of the vectors is represented by the magnitude of the measurements Screen grab of a PowerPoint diagram I made using standard PPT drawing tools ;Other information This figure will first be used in the Wikipedia entry for the Alpins method of astigmatism analysis 2013-07-13 Kcroes Cc-zero Original upload log en wikipedia Sfan00_IMG CommonsHelper en wikipedia Polar_diagram_of_vectors_for_SimK 2C_refraction 2C_and_ORA jpg 2013-07-22 22 22 Kcroes 682×398× 24276 bytes <nowiki>Uploading a self-made file using File Upload Wizard</nowiki> Uncategorized 2013 July 23 |