Concurrent visual conversion rxn and simulated colour vision...

Question 1

Visual Conversion Reaction (VCR) is a

Answer 1

psychosomatic anomaly

Question 2

How did this patient present? (12 yr old)

Answer 2

• poor VAs
• severe color vision defect
• father says child is hyperactive
• no medication
• no family ocular hist
• doing poorly in 2 subjects at school (geo and reading)

Question 3

What are the medical findings of the 12 yr old?

Answer 3

• Refraction with plano lens yield 20/20
• ocular and adnexa remarkable
• ocular motility jerky
• recognizes large color differences (not subtle)
• fails 4/6 green-red color testing

Question 4

What is the next logical step that the researcher takes?

Answer 4

color testing done under hypnosis, patient is NOT color blind

Question 5

What is the conclusion?

Answer 5

poor VAs due to VCR and color vision was a simulation of malingering for another gain. Referral to psychiatrist