MicroPulse TLT - UK Study

Inclusion Criteria: * Patients with glaucoma or ocular hypertension deemed clinically suitable for MPTLT treatment by their treating ophthalmologist; this includes but is not limited to (a) need for lower IOP, (b) need for fewer medications based on side effects, poor compliance, adverse effect on lifestyle or (c) evidence of disease progression based on function or structure * Risk of invasive surgical procedure deemed too high by patient or surgeon * Aged 18 years or older * The ability to understand and comply with the trial consent process and procedures * Willingness to be part of a national registry * Ability to attend for follow-up * Ability to give informed consent, or consent given by relative or carer Exclusion Criteria: * Clinical situations where in the opinion of the investigator, the ocular surface may be compromised by probe contact, including severe ocular surface inflammation * Inability to give informed consent * Unwillingness to have clinical data stored in a secure electronic format * Inability to comply with the study or follow-up procedures