{'fraction_non_alphanumeric': 0.025048169556840076, 'fraction_numerical': 0.030828516377649325, 'mean_word_length': 5.221556886227545, 'pattern_counts': {'":': 0, '<': 1, '<?xml version=': 0, '>': 0, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
Repetitive transorbital alternating current stimulation in optic neuropathy.

BACKGROUND
Visual field defects after optic nerve damage typically show a limited capacity for spontaneous and treatment-induced recovery.


OBJECTIVE
Repetitive transorbital alternating current stimulation (rtACS) was applied to the damaged optic nerve to evaluate visual functions after stimulation.


METHODS
A 27-years-old male patient suffering left optic nerve atrophy with nearly complete loss of vision 11 years after atypical traumatic damage was treated transorbitally with biphasic 10-15 pulse trains of rtACS (10-30 Hz, < 600 μA, 30-40 min daily for 10 days) which produced phosphenes.


RESULTS
After rtACS treatment detection ability of super-threshold stimuli increased from 3.44% to 17.75% and mean perimetric threshold from 0 dB to 2.21 dB at final diagnostics.


CONCLUSION
This improvement of vision may be due to increased neuronal synchronization, possibly involving strengthening of synaptic transmission along the central visual pathway.