Electrical Stimulation for the Treatment of Optic Neuropathies

Inclusion Criteria:

   1. Participant must be at least 18.

   2. Participant must has the ability to comply with the requirements of the study and
   complete the schedule of events (SOE).

   3. Participant's clinical diagnosis must be consistent with glaucoma characterized by the
   following features: Mean deviation (MD) worse than -3 on Humphrey Visual Field 24-2
   testing. Reliable visual field measures, fixation losses do not exceed 20% and false
   postivies do not exeed 20%.

   4. In the opinion of the investigator the participant's eye pressure must be clinically
   stable.

   5. If a participant has two eyes meeting study criteria, the worse eye as determined by
   mean deviation. If both eyes qualify and have the same MD, the patient may choose
   which eye they are willing to enter, or else a randomization procedure will assign one
   eye to the study.

   6. Participant must understand and sign the informed consent. If the participant's vision
   is impaired to the point where he/she cannot read the informed consent document, the
   document will be read to the participant in its entirety.

Exclusion Criteria:

   1. Participant is unable to comply with study procedures or follow-up visits.

   2. Participant has a history of ocular herpes zoster.

   3. Participant has pathological nystagmus

   4. Participant has evidence of visually significant retinopathy including but not limited
   to Diabetic retinopathy or retinitis pigmentosa.

   5. Participant has evidence of corneal opacification or lack of optical clarity.

   6. Participant has uveitis or other ocular inflammatory disease.

   7. Participant has any electric or electroinc implants such as a pacemaker.

   8. Participant has acute conjunctivitis.

   9. Participant has acute autoimmune disease.

10. Participant is pregnant or lactating.

11. Participant has, in the opinion of the investigator, any physical or mental condition
   that would increase the risk of participation in the study or may interfere with the
   study procedures, evaluations and outcome assessments. Including but not limited to
   all forms of dementia.

12. Unresected brain tumors

13. Implanted intracranial magnetic metals (metallic implants in the head / skull such as
   clamps, coils, ventriculo-peritoneal shunts, endoprostheses, etc.), which are not
   MRI-compatible. Note: metallic dental implants and titanium screws or plates are
   acceptable

14. Patients with any skin damage.

15. Children and comatose patients.

16. Patients with history of epileptic seizure within the last 10 years.

17. Patients with uncontrolled systemic hypertension or uncontrolled diabetes.

18. Participant is not able to travel, to comply with the requirements of the study or not
   willing to complete the schedule of events (SOE) and/or unable to confirm follow-up
   participation

19. Prior participation in a vision training/stimulation study in the last 12 months