Figure 1.

Multifocal electroretinogram (mfERG) of the patient’s right eye compared to a normal response. (A) Shows a normal mfERG; the central and peripheral responses are grouped and averaged. The normal range of the central response is 74–122 nV and the normal range of the peripheral response is 61–108 nV. The normal range for mfERG implicit times is 32–42 ms. The ranges are the 5% and 95% confidence limits derived from 50 age-matched controls. (B) Shows the mfERG of the patient’s right eye performed in 1999 at presentation to the regional uveitis clinic. The average central response is 30 nV and the average peripheral response is 31 nV. (C) Shows the mfERG of the right eye performed 1 year later. The average central response is reduced to 21 nV and the average peripheral response is 30 nV. The implicit time is delayed by 12–54 ms. (D) Shows the mfERG of the patient’s right eye performed 1 year later, 6 months after starting the antioxidant preparation. The average central response shows a marked improvement to 95 nV and the average peripheral has improved to 83 nV. The implicit time delay has also improved by 6 ms to 48 ms. (E) Goldmann perimetry findings before commencing antioxidant treatment. (F) Goldmann perimetry findings 5 months after commencing antioxidant treatment.