Department
Ophthalmology
Retinal Artery Occlusion, Retinal Ischemia
1 FDA-approved
1 research
HBOT Applications
FDA-Approved Level B
Central Retinal Artery Occlusion (CRAO)
Emergency FDA-approved treatment. Early HBOT intervention (within 24 hours) preserves retinal layers and improves visual acuity by reversing acute retinal ischemia.
Protocol
Pressure
2.0 – 2.8 ATA
Duration
90 min
Sessions
1 – 3 (emergency)
Frequency
Immediately, then daily
Evidence basis: UHMS / FDA-Approved
Investigational / Preclinical Level C
Diabetic Retinopathy
Investigational use for early-stage diabetic retinopathy. HBOT may reduce retinal hypoxia and slow progression of vascular changes.
Protocol
Pressure
2.0 – 2.4 ATA
Duration
90 min
Sessions
20 – 30
Frequency
Once daily, 5×/week
Evidence basis: Investigational
References: 2