NEFL and neurofibromatosis type 1: Corneal confocal microscopy showed a reduction in NFL in 3 of 18 (17%) patients, and NFD and NBD were additionally pathological in 1 of 18 (6%) and NBD in 2 of 18 (11%) patients (Table 3).29 Hence, 7 of 18 (39%) patients with neuropathic pain also fulfilled the current diagnostic criteria of SFI.5 The distribution among the patient groups was 4 NF1, 1 SWN-NF2, and 2 SWN-NOS.