Clinical Analysis Of Hysterical Vision Disorder

Purpose: Clinical analysis of hysterical vision disorder by 2 cases report, and try tocomprehend the pathogenesis, diagnostic criteria and therapeutic measure of this disease. Thus, we can improve our competent.Clinical Data:CASE 1 A 52-year-old man had been suffered from recurrent low visionwith both eyes for 5 years. The patient felt vision decreased with both eyes after the exposal of rays. He was diagnosed with retrobulbar neuritis and other diseases by several famous department of ophthalmology in our country. The symptom occurred recurrently and the treatments seemed with no help. Ocular examinations showed that VOD was 0.08 and VOS was 0.1. No evident abnormal change was found in the refractive mediums of both eyes. The sizes of both pupils were normal. The pupillary direct response to light of right eye was a bit slow while it of left eye was normal. No evident abnormal change was found in retinas and vessels in both eyes. The visual field tests showed tubular visual fields. ERG, VEP and cerebral MRI were normal. VOD rose to 0.25 and VOS rose to 0.3 after intimations. And the patient was diagnosed with hysterical vision disorder of both eyes.CASE 2 A 21-year -old women has been suffered from lasting low visionwith left eye. The patient found low vision with her left eye after lost her job 2 months ago. She was diagnosed with retrobulbar neuritis and other diseases by several famous department of ophthalmology in our provinces. The symptom remained and the treatments seemed with no help. Ocular examinations showed that right eye is normal. VOS was 0.02. No evident abnormal change was found in the refractive mediums of left eye. The diameter of pupil was about 5mm. The pupillary direct response to light was a bit slow. No evident abnormal change was found in the retina and vessels. The visual field test showed dark spot in the center of the visual fields. VEP, FFA and cerebral MRI were normal. VOS rose to 0.8/30cm. And the patient was diagnosed with hysterical vision disorder of lefteyes.Conclusion: With the social development, the pathogen specrum has changedsignificantly. The ways of life and the mental factors become one of the major causes affect our health. The ophthalmologists have to grasp diagnosis and treatment comprehensively with the mode bio-psycho-social medicine. And the ophthalmologists should take into account hysterical vision disorder to avoid misdiagnosis when no pathologic or structural abnormality is found in a patient with vision loss.