Chronic Persistent Visual Loss: Psychogenic What Causes It? The patient pretends not to see normally. This pretense may be conscious or unconscious. (Remember that assessment of visual acuity is subjective - the examiner depends on the patient's cooperation and best effort!) To learn more about psychogenic visual loss, go to Acute Persistent Visual Loss: Psychogenic Disturbance.  Previous Next

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Originally created by Jonathan Trobe, M.D., University of Michigan Kellogg Eye Center © 2009 The Regents of the University of Michigan Except where otherwise noted, content on this site is licensed under a Creative Commons Attribution 3.0 License.