Medically Unexplained Vision Loss: A Self-Reported Analysis

Summary of symptoms (from most to least distressing)
– Permanent bilateral stationary blind patches in vision
– Episodes of skin numbness lasting for up to 21 days
– Light-headedness; ranging from mild to collapse
– Generalised anxiety and OCD symptoms
– Visual Snow: Constant static-like visual disturbance, accompanied by mild palinopsia, BFEP, and night-blindness
– Symptoms of low blood pressure: Readings taken by medical professionals and self ranging from 94/56 to normal, frequent visual fading upon standing, weakness (particularly before eating)
– Severe headaches, approx. every 2 months (least distressing as largely treatable with multiple painkillers, but leaves me feeling groggy and heavy-headed)

Timeline of Symptoms
– Anxiety/OCD (always)
– Headaches (c.2003-Present)
– Visual Snow (2005-Present)
– Light-headedness (2010-Present, no longer severe)
– Numbness (2012-2013)
– Scotoma (2012-Present)
– Low BP (2012-Present, to best of knowledge)

Medical Visits and Tests
GP visit re: Light-headedness (2010). No further investigation.
GP visit re: Light-headedness (2011). Tachycardia observed and issued with 24-hour heart monitor. Some slight abnormalities observed but no further investigation.
GP visit re: Arm numbness (May 2012). Reassured of likelihood of trapped nerve. No further investigation.
GP visit re: Persistent and spreading numbness (April 2012). Placed on neurologist waiting list.
GP visit re: Scotoma (June 2012). Sent to Eye Hospital for examination. Broad-range field test (normal), central field test (several missing patches observed). Eye examination (normal). Told to wait for neurology appointment.
Admitted to hospital following leg weakness and reduced sensation in leg and foot (July 2012). BP (low), MRI/MRV (normal), spinal fluid pressure (normal), blood content (normal), eye exam (normal). Fever following lumbar puncture lasting 24 hours. Discharged the following day with scheduled Visual Evoked Potential and Fluorescein Angiography.
Visual Evoked Potential (September 2012). Normal.
Fluorescein Angiography (October 2012). Some abormality at side in both eyes but informed that this would not cause the symptoms described.
Follow-up appointments (2012-2013). No observed progression of symptoms so discharged from care.
GP visit re: Anxiety (2014). Prescribed Sertraline. Significant improvement in mental state but no improvement in previously-described symptoms.

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