Efficacy of Selective Laser Trabeculoplasty Targeting Nasal Versus Inferior 180-degree

Inclusion Criteria:

• Age 18 years and older

• Ability to comprehend the study procedures and agreement to proceed with primary SLTtreatment

• Diagnosis of primary or secondary open angle glaucoma or glaucoma suspects withocular hypertension

• Bilateral disease

• Pre-SLT IOP >21 mmHg measured at least twice during patient's lifetime with orwithout medication

• Open angles with moderate to intense trabecular pigmentation

• Mild to moderate visual field defects (24-2 standard mean deviations better than theSwedish interactive thresholding algorithm standard of 12 dB)

• No adequate IOP control (low treatment compliance, substantial adverse effects witheyedrops, and at least 2 IOP measurements higher than the individualized target IOP)

Exclusion Criteria:

• Unwilling or unable to give consent

• Unable to attend scheduled post-operative visits

• Previous history of either laser treatment or intraocular surgery, except fornon-complicated cataract surgery (performed >6 months before SLT)

• History of ocular trauma

• Narrow angles

• Retinal detachment

• Active iris neovascularization or active proliferative retinopathy

• Active uveitis

• Monocular patients

• Current use of steroids (ocular, periocular, or systemic)