Petrosyan Workbooks The 16 workbooks can help improve visual discrimination, form perception, form constancy, figure-ground, visual attention, visual memory, visual sequencing, visual-spatial, perceptual speed, and intersensory integration skills. They can also help increase the speed, accuracy, and automaticity of fixation and large and moderate angle saccades, as well as reading-related eye movements. They are designed to take the patient from large, simple, and uncrowded visual stimuli to tasks requiring accurate visual perception and speed and accuracy of reading-related eye movements. Correspondence regarding this article should be emailed to Bennett McAllister, OD at bmcallister@westernu.edu All statements are the author’s personal opinions and may not reflect the opinions of the representative organization, OEPF, Optometry & Visual Performance, or any institution or organization with which the author may be affiliated. Permission to use reprints of this article must be obtained from the editor. Copyright 2026 Optometric Extension Program Foundation. Online access is available at www.oepf.org and www.ovpjournal.org. McAllister B. Clinical guide to Einsteinian low vision rehabilitation– Part 2 of 4. Optom Vis Perf 2026;14(1):159-69. Optometry & Visual Performance 169 Volume 14 | Issue 2 | June 2026 “That’s enough added ‘Bennettefits’ for today,” Professor McIver said, glancing at the back of the room for any more questions on the power of logMAR thinking or the logMAR chart/calculator. “Okay, if there’s nothing else, dismissed.” References 7. McAllister B, Spors F. Physiologic analogues to the slide rule with applications in predictive analysis and assessment of human vision. 2018, Available from: https:// osgalleries.org/journal/ displayarticle.cgi?match=27.2/V27.2P44.pdf. Last Accessed May 22, 2026. 8. Slide rule history. Oughtred Society. n.d., Available from: https:// www.oughtred.org/ history.shtml. Last Accessed May 22, 2026. 9. Cocker R. Distinguishing science and pseudoscience. May 30, 2001, Quackwatch. Available from: https://quackwatch.org/ related/pseudo. Last Accessed May 22, 2026.
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