PT - JOURNAL ARTICLE AU - Andrew R L Medford TI - An unpredictable vision AID - 10.1136/medhum-2017-011269 DP - 2017 Jul 12 TA - Medical Humanities PG - medhum-2017-011269 4099 - http://mh.bmj.com/content/early/2017/07/12/medhum-2017-011269.short 4100 - http://mh.bmj.com/content/early/2017/07/12/medhum-2017-011269.full