Hypertension Trial, Recruiting

Written by an AI model from ClinicalTrials.gov eligibility criteria and checked on a sample basis. Please confirm against the original criteria.

Who might be able to join this trial:

• You are a healthy adult (18 or older) who has narrowed/tunnel vision in both eyes caused by retinitis pigmentosa, rod-cone dystrophy, or advanced glaucoma.
• Your vision, even with glasses or contact lenses, is no worse than 20/40, and your field of vision is no wider than 50 degrees in each eye (or 50 degrees when both eyes are tested together).
• You may or may not use a long white cane to travel independently — both cane users and non-cane users may be eligible; if you do use a cane, you should be willing to bring your own.
• You are able to make your own legal decisions and give your informed consent.
• You have fully read and understood the consent information provided.
• You are willing and able to follow instructions and attend all required appointments.

Who may not be able to join:

• You are currently taking part in another eye-related study (you may need to wait at least one week, or four weeks if that study involved brain stimulation, before joining this trial).
• You have been diagnosed with, or believe you may have, dementia.
• You have been diagnosed with, or believe you may have, a cognitive (thinking or memory) impairment.
• You have been diagnosed with, or believe you may have, a physical or movement condition that affects your ability to walk or keep your balance.
• You have been diagnosed with, or believe you may have, a balance or inner-ear (vestibular) disorder that affects your movement or balance.
• You are unable to follow the researchers' instructions.
• You are expecting to have any eye treatment or eye surgery during the period of the study.
• You have any additional eye condition (beyond retinitis pigmentosa, rod-cone dystrophy, or advanced glaucoma) that could reduce your vision — though wearing glasses or contact lenses, or having a mild cataract (grade 2 or below), is acceptable.
• You have severe hearing loss.
• You are pregnant or trying to become pregnant.
• You have epilepsy or have ever had an epileptic seizure.
• You have an implanted medication pump or an implanted electronic device such as a pacemaker or defibrillator.
• You have any metal implants in your head (tooth fillings are acceptable).
• You have any active electrical implants anywhere in your body, particularly in the head area.
• You take medication for a psychiatric or neurological condition such as depression or schizophrenia (confirm with trial site).
• You have sensitive or irritated skin on your face or head, a skin condition on your face, or regularly use medication to treat facial skin irritation.
• You experience recurring or frequent headaches.
• You have had a previous head injury, skull fracture, or brain or head surgery.
• You have heart disease, a neurological condition, or a history of heart or brain surgery.
• You have or have had a brain tumour (cancerous or non-cancerous) or any other abnormality in your brain structure.

Important: Always verify eligibility with the trial site directly before applying.