Effects of Transcranial Direct Current Stimulation (tDCS) in Chronic Corneal Pain

Inclusion Criteria

• •1. Provide informed consent to participate in the study;
• •2. 18 to 65 years old;
• •1. Corneal pain for six months or more;
• •2. Referral from a corneal specialist (Dr. Perry Rosenthal) with refractoriness to conventional ophthalmologic treatments for corneal pain such as local topical medications and soft bandage contact lenses;
• •3. Report a Visual Analogue Scale (VAS) for pain of 4 or greater in the previous 3 weeks;